Home / 81,466,058.10-122,199,087.15-49,101,301.20

Finding the Fourth Proportional to 81,466,058.10, 122,199,087.15 and 49,101,301.20

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Solution

The fourth proportional to 81,466,058.10, 122,199,087.15 and 49,101,301.20 is: 73,651,951.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,466,058.10 : 122,199,087.15 = 49,101,301.20 : x
  2. Step 2: Convert to fraction form
    81,466,058.10/122,199,087.15 = 49,101,301.20/x
  3. Step 3: Cross multiply
    81,466,058.10x = 122,199,087.15 × 49,101,301.20
  4. Step 4: Simplify right side
    81,466,058.10x = 6,000,134,184,517,200
  5. Step 5: Solve for x
    x = 6,000,134,184,517,200/81,466,058.10
  6. Step 6: Final answer
    x = 73,651,951.80

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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.