Home / 67,756,869.20-101,467,342.20-54,319,941.20

Finding the Fourth Proportional to 67,756,869.20, 101,467,342.20 and 54,319,941.20

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Solution

The fourth proportional to 67,756,869.20, 101,467,342.20 and 54,319,941.20 is: 81,345,258.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,756,869.20 : 101,467,342.20 = 54,319,941.20 : x
  2. Step 2: Convert to fraction form
    67,756,869.20/101,467,342.20 = 54,319,941.20/x
  3. Step 3: Cross multiply
    67,756,869.20x = 101,467,342.20 × 54,319,941.20
  4. Step 4: Simplify right side
    67,756,869.20x = 5,511,700,062,024,279
  5. Step 5: Solve for x
    x = 5,511,700,062,024,279/67,756,869.20
  6. Step 6: Final answer
    x = 81,345,258.82

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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.