Home / 87,808,347-121,175,518.86-49,177,179

Finding the Fourth Proportional to 87,808,347, 121,175,518.86 and 49,177,179

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Solution

The fourth proportional to 87,808,347, 121,175,518.86 and 49,177,179 is: 67,864,507.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,808,347 : 121,175,518.86 = 49,177,179 : x
  2. Step 2: Convert to fraction form
    87,808,347/121,175,518.86 = 49,177,179/x
  3. Step 3: Cross multiply
    87,808,347x = 121,175,518.86 × 49,177,179
  4. Step 4: Simplify right side
    87,808,347x = 5,959,070,181,396,096
  5. Step 5: Solve for x
    x = 5,959,070,181,396,096/87,808,347
  6. Step 6: Final answer
    x = 67,864,507.02

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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.