Home / 91,157,957.98-125,797,966.38-49,342,015

Finding the Fourth Proportional to 91,157,957.98, 125,797,966.38 and 49,342,015

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Solution

The fourth proportional to 91,157,957.98, 125,797,966.38 and 49,342,015 is: 68,091,972.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,157,957.98 : 125,797,966.38 = 49,342,015 : x
  2. Step 2: Convert to fraction form
    91,157,957.98/125,797,966.38 = 49,342,015/x
  3. Step 3: Cross multiply
    91,157,957.98x = 125,797,966.38 × 49,342,015
  4. Step 4: Simplify right side
    91,157,957.98x = 6,207,125,144,091,455
  5. Step 5: Solve for x
    x = 6,207,125,144,091,455/91,157,957.98
  6. Step 6: Final answer
    x = 68,091,972.24

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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.