Home / 108,962,014,710.30-163,443,022,065.45-66,902,498,511.90

Finding the Fourth Proportional to 108,962,014,710.30, 163,443,022,065.45 and 66,902,498,511.90

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Solution

The fourth proportional to 108,962,014,710.30, 163,443,022,065.45 and 66,902,498,511.90 is: 100,353,747,767.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,962,014,710.30 : 163,443,022,065.45 = 66,902,498,511.90 : x
  2. Step 2: Convert to fraction form
    108,962,014,710.30/163,443,022,065.45 = 66,902,498,511.90/x
  3. Step 3: Cross multiply
    108,962,014,710.30x = 163,443,022,065.45 × 66,902,498,511.90
  4. Step 4: Simplify right side
    108,962,014,710.30x = 10,934,746,540,514,207,596,544
  5. Step 5: Solve for x
    x = 10,934,746,540,514,207,596,544/108,962,014,710.30
  6. Step 6: Final answer
    x = 100,353,747,767.85

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.