Home / 88,584,021.80-132,876,032.70-81,417,660.20

Finding the Fourth Proportional to 88,584,021.80, 132,876,032.70 and 81,417,660.20

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Solution

The fourth proportional to 88,584,021.80, 132,876,032.70 and 81,417,660.20 is: 122,126,490.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,584,021.80 : 132,876,032.70 = 81,417,660.20 : x
  2. Step 2: Convert to fraction form
    88,584,021.80/132,876,032.70 = 81,417,660.20/x
  3. Step 3: Cross multiply
    88,584,021.80x = 132,876,032.70 × 81,417,660.20
  4. Step 4: Simplify right side
    88,584,021.80x = 10,818,455,679,092,690
  5. Step 5: Solve for x
    x = 10,818,455,679,092,690/88,584,021.80
  6. Step 6: Final answer
    x = 122,126,490.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.