Home / 91,131,880.69-125,761,995.35-49,878,773.06

Finding the Fourth Proportional to 91,131,880.69, 125,761,995.35 and 49,878,773.06

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Solution

The fourth proportional to 91,131,880.69, 125,761,995.35 and 49,878,773.06 is: 68,832,706.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,131,880.69 : 125,761,995.35 = 49,878,773.06 : x
  2. Step 2: Convert to fraction form
    91,131,880.69/125,761,995.35 = 49,878,773.06/x
  3. Step 3: Cross multiply
    91,131,880.69x = 125,761,995.35 × 49,878,773.06
  4. Step 4: Simplify right side
    91,131,880.69x = 6,272,854,026,074,528
  5. Step 5: Solve for x
    x = 6,272,854,026,074,528/91,131,880.69
  6. Step 6: Final answer
    x = 68,832,706.83

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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.