Home / 64,654,313.40-96,981,470.10-53,175,187.80

Finding the Fourth Proportional to 64,654,313.40, 96,981,470.10 and 53,175,187.80

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Solution

The fourth proportional to 64,654,313.40, 96,981,470.10 and 53,175,187.80 is: 79,762,781.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,654,313.40 : 96,981,470.10 = 53,175,187.80 : x
  2. Step 2: Convert to fraction form
    64,654,313.40/96,981,470.10 = 53,175,187.80/x
  3. Step 3: Cross multiply
    64,654,313.40x = 96,981,470.10 × 53,175,187.80
  4. Step 4: Simplify right side
    64,654,313.40x = 5,157,007,885,687,584
  5. Step 5: Solve for x
    x = 5,157,007,885,687,584/64,654,313.40
  6. Step 6: Final answer
    x = 79,762,781.70

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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.