Home / 91,713,698.66-126,516,665.04-54,517,521.80

Finding the Fourth Proportional to 91,713,698.66, 126,516,665.04 and 54,517,521.80

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Solution

The fourth proportional to 91,713,698.66, 126,516,665.04 and 54,517,521.80 is: 75,205,505.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,713,698.66 : 126,516,665.04 = 54,517,521.80 : x
  2. Step 2: Convert to fraction form
    91,713,698.66/126,516,665.04 = 54,517,521.80/x
  3. Step 3: Cross multiply
    91,713,698.66x = 126,516,665.04 × 54,517,521.80
  4. Step 4: Simplify right side
    91,713,698.66x = 6,897,375,043,748,915
  5. Step 5: Solve for x
    x = 6,897,375,043,748,915/91,713,698.66
  6. Step 6: Final answer
    x = 75,205,505.23

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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.