Home / 88,581,710.70-132,872,566.05-72,425,904.30

Finding the Fourth Proportional to 88,581,710.70, 132,872,566.05 and 72,425,904.30

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Solution

The fourth proportional to 88,581,710.70, 132,872,566.05 and 72,425,904.30 is: 108,638,856.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,581,710.70 : 132,872,566.05 = 72,425,904.30 : x
  2. Step 2: Convert to fraction form
    88,581,710.70/132,872,566.05 = 72,425,904.30/x
  3. Step 3: Cross multiply
    88,581,710.70x = 132,872,566.05 × 72,425,904.30
  4. Step 4: Simplify right side
    88,581,710.70x = 9,623,415,752,832,728
  5. Step 5: Solve for x
    x = 9,623,415,752,832,728/88,581,710.70
  6. Step 6: Final answer
    x = 108,638,856.45

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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.