Home / 64,581,752.80-96,763,006.80-38,968,943.20

Finding the Fourth Proportional to 64,581,752.80, 96,763,006.80 and 38,968,943.20

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Solution

The fourth proportional to 64,581,752.80, 96,763,006.80 and 38,968,943.20 is: 58,387,268.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,581,752.80 : 96,763,006.80 = 38,968,943.20 : x
  2. Step 2: Convert to fraction form
    64,581,752.80/96,763,006.80 = 38,968,943.20/x
  3. Step 3: Cross multiply
    64,581,752.80x = 96,763,006.80 × 38,968,943.20
  4. Step 4: Simplify right side
    64,581,752.80x = 3,770,752,115,850,414
  5. Step 5: Solve for x
    x = 3,770,752,115,850,414/64,581,752.80
  6. Step 6: Final answer
    x = 58,387,268.11

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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.