Home / 56,456,781.84-77,911,702.07-31,678,801.85

Finding the Fourth Proportional to 56,456,781.84, 77,911,702.07 and 31,678,801.85

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Solution

The fourth proportional to 56,456,781.84, 77,911,702.07 and 31,678,801.85 is: 43,717,500.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,456,781.84 : 77,911,702.07 = 31,678,801.85 : x
  2. Step 2: Convert to fraction form
    56,456,781.84/77,911,702.07 = 31,678,801.85/x
  3. Step 3: Cross multiply
    56,456,781.84x = 77,911,702.07 × 31,678,801.85
  4. Step 4: Simplify right side
    56,456,781.84x = 2,468,149,371,708,150
  5. Step 5: Solve for x
    x = 2,468,149,371,708,150/56,456,781.84
  6. Step 6: Final answer
    x = 43,717,500.21

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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.