Home / 87,488,157.20-131,232,235.80-73,458,114.80

Finding the Fourth Proportional to 87,488,157.20, 131,232,235.80 and 73,458,114.80

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Solution

The fourth proportional to 87,488,157.20, 131,232,235.80 and 73,458,114.80 is: 110,187,172.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,488,157.20 : 131,232,235.80 = 73,458,114.80 : x
  2. Step 2: Convert to fraction form
    87,488,157.20/131,232,235.80 = 73,458,114.80/x
  3. Step 3: Cross multiply
    87,488,157.20x = 131,232,235.80 × 73,458,114.80
  4. Step 4: Simplify right side
    87,488,157.20x = 9,640,072,642,857,070
  5. Step 5: Solve for x
    x = 9,640,072,642,857,070/87,488,157.20
  6. Step 6: Final answer
    x = 110,187,172.20

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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.