Home / 124,584,721.44-171,921,712.20-71,657,404.98

Finding the Fourth Proportional to 124,584,721.44, 171,921,712.20 and 71,657,404.98

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Solution

The fourth proportional to 124,584,721.44, 171,921,712.20 and 71,657,404.98 is: 98,884,226.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,584,721.44 : 171,921,712.20 = 71,657,404.98 : x
  2. Step 2: Convert to fraction form
    124,584,721.44/171,921,712.20 = 71,657,404.98/x
  3. Step 3: Cross multiply
    124,584,721.44x = 171,921,712.20 × 71,657,404.98
  4. Step 4: Simplify right side
    124,584,721.44x = 12,319,463,755,970,406
  5. Step 5: Solve for x
    x = 12,319,463,755,970,406/124,584,721.44
  6. Step 6: Final answer
    x = 98,884,226.04

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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.