Home / 65,810,065.40-98,715,098.10-38,869,854.20

Finding the Fourth Proportional to 65,810,065.40, 98,715,098.10 and 38,869,854.20

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Solution

The fourth proportional to 65,810,065.40, 98,715,098.10 and 38,869,854.20 is: 58,304,781.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,810,065.40 : 98,715,098.10 = 38,869,854.20 : x
  2. Step 2: Convert to fraction form
    65,810,065.40/98,715,098.10 = 38,869,854.20/x
  3. Step 3: Cross multiply
    65,810,065.40x = 98,715,098.10 × 38,869,854.20
  4. Step 4: Simplify right side
    65,810,065.40x = 3,837,041,470,485,697
  5. Step 5: Solve for x
    x = 3,837,041,470,485,697/65,810,065.40
  6. Step 6: Final answer
    x = 58,304,781.30

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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.