Home / 87,167,923.20-130,515,955.20-68,293,555.20

Finding the Fourth Proportional to 87,167,923.20, 130,515,955.20 and 68,293,555.20

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Solution

The fourth proportional to 87,167,923.20, 130,515,955.20 and 68,293,555.20 is: 102,255,488.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,167,923.20 : 130,515,955.20 = 68,293,555.20 : x
  2. Step 2: Convert to fraction form
    87,167,923.20/130,515,955.20 = 68,293,555.20/x
  3. Step 3: Cross multiply
    87,167,923.20x = 130,515,955.20 × 68,293,555.20
  4. Step 4: Simplify right side
    87,167,923.20x = 8,913,398,590,931,928
  5. Step 5: Solve for x
    x = 8,913,398,590,931,928/87,167,923.20
  6. Step 6: Final answer
    x = 102,255,488.76

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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.