Home / 84,993,198.10-127,489,797.15-83,103,630.10

Finding the Fourth Proportional to 84,993,198.10, 127,489,797.15 and 83,103,630.10

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Solution

The fourth proportional to 84,993,198.10, 127,489,797.15 and 83,103,630.10 is: 124,655,445.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,993,198.10 : 127,489,797.15 = 83,103,630.10 : x
  2. Step 2: Convert to fraction form
    84,993,198.10/127,489,797.15 = 83,103,630.10/x
  3. Step 3: Cross multiply
    84,993,198.10x = 127,489,797.15 × 83,103,630.10
  4. Step 4: Simplify right side
    84,993,198.10x = 10,594,864,943,877,634
  5. Step 5: Solve for x
    x = 10,594,864,943,877,634/84,993,198.10
  6. Step 6: Final answer
    x = 124,655,445.15

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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.