Home / 65,936,708.57-98,884,820.05-45,597,132.90

Finding the Fourth Proportional to 65,936,708.57, 98,884,820.05 and 45,597,132.90

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Solution

The fourth proportional to 65,936,708.57, 98,884,820.05 and 45,597,132.90 is: 68,381,700.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,936,708.57 : 98,884,820.05 = 45,597,132.90 : x
  2. Step 2: Convert to fraction form
    65,936,708.57/98,884,820.05 = 45,597,132.90/x
  3. Step 3: Cross multiply
    65,936,708.57x = 98,884,820.05 × 45,597,132.90
  4. Step 4: Simplify right side
    65,936,708.57x = 4,508,864,281,498,442
  5. Step 5: Solve for x
    x = 4,508,864,281,498,442/65,936,708.57
  6. Step 6: Final answer
    x = 68,381,700.86

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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.