Home / 99,737,416.80-137,627,145.36-57,913,306.56

Finding the Fourth Proportional to 99,737,416.80, 137,627,145.36 and 57,913,306.56

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Solution

The fourth proportional to 99,737,416.80, 137,627,145.36 and 57,913,306.56 is: 79,914,272.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,737,416.80 : 137,627,145.36 = 57,913,306.56 : x
  2. Step 2: Convert to fraction form
    99,737,416.80/137,627,145.36 = 57,913,306.56/x
  3. Step 3: Cross multiply
    99,737,416.80x = 137,627,145.36 × 57,913,306.56
  4. Step 4: Simplify right side
    99,737,416.80x = 7,970,443,060,211,363
  5. Step 5: Solve for x
    x = 7,970,443,060,211,363/99,737,416.80
  6. Step 6: Final answer
    x = 79,914,272.05

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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.