Home / 67,974,764.78-101,962,862.22-54,414,115.81

Finding the Fourth Proportional to 67,974,764.78, 101,962,862.22 and 54,414,115.81

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Solution

The fourth proportional to 67,974,764.78, 101,962,862.22 and 54,414,115.81 is: 81,621,746.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,974,764.78 : 101,962,862.22 = 54,414,115.81 : x
  2. Step 2: Convert to fraction form
    67,974,764.78/101,962,862.22 = 54,414,115.81/x
  3. Step 3: Cross multiply
    67,974,764.78x = 101,962,862.22 × 54,414,115.81
  4. Step 4: Simplify right side
    67,974,764.78x = 5,548,218,992,801,492
  5. Step 5: Solve for x
    x = 5,548,218,992,801,492/67,974,764.78
  6. Step 6: Final answer
    x = 81,621,746.11

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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.