Home / 75,165,000.30-112,747,500.45-66,077,359.20

Finding the Fourth Proportional to 75,165,000.30, 112,747,500.45 and 66,077,359.20

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Solution

The fourth proportional to 75,165,000.30, 112,747,500.45 and 66,077,359.20 is: 99,116,038.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,165,000.30 : 112,747,500.45 = 66,077,359.20 : x
  2. Step 2: Convert to fraction form
    75,165,000.30/112,747,500.45 = 66,077,359.20/x
  3. Step 3: Cross multiply
    75,165,000.30x = 112,747,500.45 × 66,077,359.20
  4. Step 4: Simplify right side
    75,165,000.30x = 7,450,057,086,136,812
  5. Step 5: Solve for x
    x = 7,450,057,086,136,812/75,165,000.30
  6. Step 6: Final answer
    x = 99,116,038.80

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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.