Home / 112,331,454.30-168,497,181.45-99,576,870.30

Finding the Fourth Proportional to 112,331,454.30, 168,497,181.45 and 99,576,870.30

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Solution

The fourth proportional to 112,331,454.30, 168,497,181.45 and 99,576,870.30 is: 149,365,305.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,331,454.30 : 168,497,181.45 = 99,576,870.30 : x
  2. Step 2: Convert to fraction form
    112,331,454.30/168,497,181.45 = 99,576,870.30/x
  3. Step 3: Cross multiply
    112,331,454.30x = 168,497,181.45 × 99,576,870.30
  4. Step 4: Simplify right side
    112,331,454.30x = 16,778,421,983,162,214
  5. Step 5: Solve for x
    x = 16,778,421,983,162,214/112,331,454.30
  6. Step 6: Final answer
    x = 149,365,305.45

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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.