Home / 90,284,851.62-135,197,375.54-59,486,057.71

Finding the Fourth Proportional to 90,284,851.62, 135,197,375.54 and 59,486,057.71

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Solution

The fourth proportional to 90,284,851.62, 135,197,375.54 and 59,486,057.71 is: 89,077,610.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,284,851.62 : 135,197,375.54 = 59,486,057.71 : x
  2. Step 2: Convert to fraction form
    90,284,851.62/135,197,375.54 = 59,486,057.71/x
  3. Step 3: Cross multiply
    90,284,851.62x = 135,197,375.54 × 59,486,057.71
  4. Step 4: Simplify right side
    90,284,851.62x = 8,042,358,882,977,559
  5. Step 5: Solve for x
    x = 8,042,358,882,977,559/90,284,851.62
  6. Step 6: Final answer
    x = 89,077,610.90

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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.