Home / 88,128,002.30-132,192,003.45-82,156,034.30

Finding the Fourth Proportional to 88,128,002.30, 132,192,003.45 and 82,156,034.30

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Solution

The fourth proportional to 88,128,002.30, 132,192,003.45 and 82,156,034.30 is: 123,234,051.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,128,002.30 : 132,192,003.45 = 82,156,034.30 : x
  2. Step 2: Convert to fraction form
    88,128,002.30/132,192,003.45 = 82,156,034.30/x
  3. Step 3: Cross multiply
    88,128,002.30x = 132,192,003.45 × 82,156,034.30
  4. Step 4: Simplify right side
    88,128,002.30x = 10,860,370,769,623,918
  5. Step 5: Solve for x
    x = 10,860,370,769,623,918/88,128,002.30
  6. Step 6: Final answer
    x = 123,234,051.45

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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.