Home / 65,810,066.40-98,715,099.60-38,869,855.20

Finding the Fourth Proportional to 65,810,066.40, 98,715,099.60 and 38,869,855.20

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Solution

The fourth proportional to 65,810,066.40, 98,715,099.60 and 38,869,855.20 is: 58,304,782.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,810,066.40 : 98,715,099.60 = 38,869,855.20 : x
  2. Step 2: Convert to fraction form
    65,810,066.40/98,715,099.60 = 38,869,855.20/x
  3. Step 3: Cross multiply
    65,810,066.40x = 98,715,099.60 × 38,869,855.20
  4. Step 4: Simplify right side
    65,810,066.40x = 3,837,041,627,505,578
  5. Step 5: Solve for x
    x = 3,837,041,627,505,578/65,810,066.40
  6. Step 6: Final answer
    x = 58,304,782.80

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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.