Home / 145,634,839.38-200,982,187.17-83,755,227.42

Finding the Fourth Proportional to 145,634,839.38, 200,982,187.17 and 83,755,227.42

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Solution

The fourth proportional to 145,634,839.38, 200,982,187.17 and 83,755,227.42 is: 115,585,727.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,634,839.38 : 200,982,187.17 = 83,755,227.42 : x
  2. Step 2: Convert to fraction form
    145,634,839.38/200,982,187.17 = 83,755,227.42/x
  3. Step 3: Cross multiply
    145,634,839.38x = 200,982,187.17 × 83,755,227.42
  4. Step 4: Simplify right side
    145,634,839.38x = 16,833,308,793,792,356
  5. Step 5: Solve for x
    x = 16,833,308,793,792,356/145,634,839.38
  6. Step 6: Final answer
    x = 115,585,727.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.