Home / 122,472,002.30-183,708,003.45-68,612,315.90

Finding the Fourth Proportional to 122,472,002.30, 183,708,003.45 and 68,612,315.90

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Solution

The fourth proportional to 122,472,002.30, 183,708,003.45 and 68,612,315.90 is: 102,918,473.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,472,002.30 : 183,708,003.45 = 68,612,315.90 : x
  2. Step 2: Convert to fraction form
    122,472,002.30/183,708,003.45 = 68,612,315.90/x
  3. Step 3: Cross multiply
    122,472,002.30x = 183,708,003.45 × 68,612,315.90
  4. Step 4: Simplify right side
    122,472,002.30x = 12,604,631,566,069,690
  5. Step 5: Solve for x
    x = 12,604,631,566,069,690/122,472,002.30
  6. Step 6: Final answer
    x = 102,918,473.85

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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.