Home / 87,808,340.50-121,175,509.89-49,177,172.50

Finding the Fourth Proportional to 87,808,340.50, 121,175,509.89 and 49,177,172.50

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Solution

The fourth proportional to 87,808,340.50, 121,175,509.89 and 49,177,172.50 is: 67,864,498.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,808,340.50 : 121,175,509.89 = 49,177,172.50 : x
  2. Step 2: Convert to fraction form
    87,808,340.50/121,175,509.89 = 49,177,172.50/x
  3. Step 3: Cross multiply
    87,808,340.50x = 121,175,509.89 × 49,177,172.50
  4. Step 4: Simplify right side
    87,808,340.50x = 5,959,068,952,635,986
  5. Step 5: Solve for x
    x = 5,959,068,952,635,986/87,808,340.50
  6. Step 6: Final answer
    x = 67,864,498.05

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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.