Home / 73,325,272.80-109,987,909.20-39,313,048.80

Finding the Fourth Proportional to 73,325,272.80, 109,987,909.20 and 39,313,048.80

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Solution

The fourth proportional to 73,325,272.80, 109,987,909.20 and 39,313,048.80 is: 58,969,573.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,325,272.80 : 109,987,909.20 = 39,313,048.80 : x
  2. Step 2: Convert to fraction form
    73,325,272.80/109,987,909.20 = 39,313,048.80/x
  3. Step 3: Cross multiply
    73,325,272.80x = 109,987,909.20 × 39,313,048.80
  4. Step 4: Simplify right side
    73,325,272.80x = 4,323,960,041,789,568.50
  5. Step 5: Solve for x
    x = 4,323,960,041,789,568.50/73,325,272.80
  6. Step 6: Final answer
    x = 58,969,573.20

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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.