Home / 87,156,104.80-130,734,157.20-73,551,215.20

Finding the Fourth Proportional to 87,156,104.80, 130,734,157.20 and 73,551,215.20

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Solution

The fourth proportional to 87,156,104.80, 130,734,157.20 and 73,551,215.20 is: 110,326,822.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,156,104.80 : 130,734,157.20 = 73,551,215.20 : x
  2. Step 2: Convert to fraction form
    87,156,104.80/130,734,157.20 = 73,551,215.20/x
  3. Step 3: Cross multiply
    87,156,104.80x = 130,734,157.20 × 73,551,215.20
  4. Step 4: Simplify right side
    87,156,104.80x = 9,615,656,130,207,830
  5. Step 5: Solve for x
    x = 9,615,656,130,207,830/87,156,104.80
  6. Step 6: Final answer
    x = 110,326,822.80

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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.