Home / 145,387,340.10-218,081,010.15-104,572,671.30

Finding the Fourth Proportional to 145,387,340.10, 218,081,010.15 and 104,572,671.30

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Solution

The fourth proportional to 145,387,340.10, 218,081,010.15 and 104,572,671.30 is: 156,859,006.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,387,340.10 : 218,081,010.15 = 104,572,671.30 : x
  2. Step 2: Convert to fraction form
    145,387,340.10/218,081,010.15 = 104,572,671.30/x
  3. Step 3: Cross multiply
    145,387,340.10x = 218,081,010.15 × 104,572,671.30
  4. Step 4: Simplify right side
    145,387,340.10x = 22,805,313,791,187,912
  5. Step 5: Solve for x
    x = 22,805,313,791,187,912/145,387,340.10
  6. Step 6: Final answer
    x = 156,859,006.95

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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.