Home / 82,400,445.22-123,623,630.08-67,191,353.14

Finding the Fourth Proportional to 82,400,445.22, 123,623,630.08 and 67,191,353.14

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Solution

The fourth proportional to 82,400,445.22, 123,623,630.08 and 67,191,353.14 is: 100,805,753.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,400,445.22 : 123,623,630.08 = 67,191,353.14 : x
  2. Step 2: Convert to fraction form
    82,400,445.22/123,623,630.08 = 67,191,353.14/x
  3. Step 3: Cross multiply
    82,400,445.22x = 123,623,630.08 × 67,191,353.14
  4. Step 4: Simplify right side
    82,400,445.22x = 8,306,438,985,154,006
  5. Step 5: Solve for x
    x = 8,306,438,985,154,006/82,400,445.22
  6. Step 6: Final answer
    x = 100,805,753.69

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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.