Home / 65,414,136.30-98,121,204.45-39,841,982.70

Finding the Fourth Proportional to 65,414,136.30, 98,121,204.45 and 39,841,982.70

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Solution

The fourth proportional to 65,414,136.30, 98,121,204.45 and 39,841,982.70 is: 59,762,974.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,414,136.30 : 98,121,204.45 = 39,841,982.70 : x
  2. Step 2: Convert to fraction form
    65,414,136.30/98,121,204.45 = 39,841,982.70/x
  3. Step 3: Cross multiply
    65,414,136.30x = 98,121,204.45 × 39,841,982.70
  4. Step 4: Simplify right side
    65,414,136.30x = 3,909,343,330,200,063.50
  5. Step 5: Solve for x
    x = 3,909,343,330,200,063.50/65,414,136.30
  6. Step 6: Final answer
    x = 59,762,974.05

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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.