Home / 88,129,060.80-132,193,591.20-82,157,092.80

Finding the Fourth Proportional to 88,129,060.80, 132,193,591.20 and 82,157,092.80

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Solution

The fourth proportional to 88,129,060.80, 132,193,591.20 and 82,157,092.80 is: 123,235,639.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,129,060.80 : 132,193,591.20 = 82,157,092.80 : x
  2. Step 2: Convert to fraction form
    88,129,060.80/132,193,591.20 = 82,157,092.80/x
  3. Step 3: Cross multiply
    88,129,060.80x = 132,193,591.20 × 82,157,092.80
  4. Step 4: Simplify right side
    88,129,060.80x = 10,860,641,139,783,664
  5. Step 5: Solve for x
    x = 10,860,641,139,783,664/88,129,060.80
  6. Step 6: Final answer
    x = 123,235,639.20

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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.