Home / 87,732,436.91-121,072,610.12-48,041,634.60

Finding the Fourth Proportional to 87,732,436.91, 121,072,610.12 and 48,041,634.60

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Solution

The fourth proportional to 87,732,436.91, 121,072,610.12 and 48,041,634.60 is: 66,298,467.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,732,436.91 : 121,072,610.12 = 48,041,634.60 : x
  2. Step 2: Convert to fraction form
    87,732,436.91/121,072,610.12 = 48,041,634.60/x
  3. Step 3: Cross multiply
    87,732,436.91x = 121,072,610.12 × 48,041,634.60
  4. Step 4: Simplify right side
    87,732,436.91x = 5,816,526,095,213,094
  5. Step 5: Solve for x
    x = 5,816,526,095,213,094/87,732,436.91
  6. Step 6: Final answer
    x = 66,298,467.25

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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.