Home / 178,187,315.90-267,280,973.85-87,488,051.90

Finding the Fourth Proportional to 178,187,315.90, 267,280,973.85 and 87,488,051.90

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Solution

The fourth proportional to 178,187,315.90, 267,280,973.85 and 87,488,051.90 is: 131,232,077.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,187,315.90 : 267,280,973.85 = 87,488,051.90 : x
  2. Step 2: Convert to fraction form
    178,187,315.90/267,280,973.85 = 87,488,051.90/x
  3. Step 3: Cross multiply
    178,187,315.90x = 267,280,973.85 × 87,488,051.90
  4. Step 4: Simplify right side
    178,187,315.90x = 23,383,891,712,071,344
  5. Step 5: Solve for x
    x = 23,383,891,712,071,344/178,187,315.90
  6. Step 6: Final answer
    x = 131,232,077.85

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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.