Home / 87,156,001.80-130,734,002.70-73,551,112.20

Finding the Fourth Proportional to 87,156,001.80, 130,734,002.70 and 73,551,112.20

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Solution

The fourth proportional to 87,156,001.80, 130,734,002.70 and 73,551,112.20 is: 110,326,668.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,156,001.80 : 130,734,002.70 = 73,551,112.20 : x
  2. Step 2: Convert to fraction form
    87,156,001.80/130,734,002.70 = 73,551,112.20/x
  3. Step 3: Cross multiply
    87,156,001.80x = 130,734,002.70 × 73,551,112.20
  4. Step 4: Simplify right side
    87,156,001.80x = 9,615,631,300,942,804
  5. Step 5: Solve for x
    x = 9,615,631,300,942,804/87,156,001.80
  6. Step 6: Final answer
    x = 110,326,668.30

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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.