Home / 218,363,470.10-327,545,205.15-103,572,214.10

Finding the Fourth Proportional to 218,363,470.10, 327,545,205.15 and 103,572,214.10

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Solution

The fourth proportional to 218,363,470.10, 327,545,205.15 and 103,572,214.10 is: 155,358,321.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,363,470.10 : 327,545,205.15 = 103,572,214.10 : x
  2. Step 2: Convert to fraction form
    218,363,470.10/327,545,205.15 = 103,572,214.10/x
  3. Step 3: Cross multiply
    218,363,470.10x = 327,545,205.15 × 103,572,214.10
  4. Step 4: Simplify right side
    218,363,470.10x = 33,924,582,115,224,220
  5. Step 5: Solve for x
    x = 33,924,582,115,224,220/218,363,470.10
  6. Step 6: Final answer
    x = 155,358,321.15

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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.