Home / 63,987,639.80-95,981,459.70-28,085,847.80

Finding the Fourth Proportional to 63,987,639.80, 95,981,459.70 and 28,085,847.80

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Solution

The fourth proportional to 63,987,639.80, 95,981,459.70 and 28,085,847.80 is: 42,128,771.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,987,639.80 : 95,981,459.70 = 28,085,847.80 : x
  2. Step 2: Convert to fraction form
    63,987,639.80/95,981,459.70 = 28,085,847.80/x
  3. Step 3: Cross multiply
    63,987,639.80x = 95,981,459.70 × 28,085,847.80
  4. Step 4: Simplify right side
    63,987,639.80x = 2,695,720,668,756,034
  5. Step 5: Solve for x
    x = 2,695,720,668,756,034/63,987,639.80
  6. Step 6: Final answer
    x = 42,128,771.70

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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.