Home / 124,482,753.80-171,626,517.86-102,073,174.32

Finding the Fourth Proportional to 124,482,753.80, 171,626,517.86 and 102,073,174.32

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Solution

The fourth proportional to 124,482,753.80, 171,626,517.86 and 102,073,174.32 is: 140,730,044.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,482,753.80 : 171,626,517.86 = 102,073,174.32 : x
  2. Step 2: Convert to fraction form
    124,482,753.80/171,626,517.86 = 102,073,174.32/x
  3. Step 3: Cross multiply
    124,482,753.80x = 171,626,517.86 × 102,073,174.32
  4. Step 4: Simplify right side
    124,482,753.80x = 17,518,463,474,948,006
  5. Step 5: Solve for x
    x = 17,518,463,474,948,006/124,482,753.80
  6. Step 6: Final answer
    x = 140,730,044.45

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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.