Home / 144,736,001.40-217,104,002.10-83,513,998.20

Finding the Fourth Proportional to 144,736,001.40, 217,104,002.10 and 83,513,998.20

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Solution

The fourth proportional to 144,736,001.40, 217,104,002.10 and 83,513,998.20 is: 125,270,997.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,736,001.40 : 217,104,002.10 = 83,513,998.20 : x
  2. Step 2: Convert to fraction form
    144,736,001.40/217,104,002.10 = 83,513,998.20/x
  3. Step 3: Cross multiply
    144,736,001.40x = 217,104,002.10 × 83,513,998.20
  4. Step 4: Simplify right side
    144,736,001.40x = 18,131,223,240,592,196
  5. Step 5: Solve for x
    x = 18,131,223,240,592,196/144,736,001.40
  6. Step 6: Final answer
    x = 125,270,997.30

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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.