Home / 65,981,421.60-98,888,151.60-58,759,072.80

Finding the Fourth Proportional to 65,981,421.60, 98,888,151.60 and 58,759,072.80

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Solution

The fourth proportional to 65,981,421.60, 98,888,151.60 and 58,759,072.80 is: 88,063,820.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,981,421.60 : 98,888,151.60 = 58,759,072.80 : x
  2. Step 2: Convert to fraction form
    65,981,421.60/98,888,151.60 = 58,759,072.80/x
  3. Step 3: Cross multiply
    65,981,421.60x = 98,888,151.60 × 58,759,072.80
  4. Step 4: Simplify right side
    65,981,421.60x = 5,810,576,098,921,836
  5. Step 5: Solve for x
    x = 5,810,576,098,921,836/65,981,421.60
  6. Step 6: Final answer
    x = 88,063,820.97

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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.