Home / 87,696,004.80-131,544,007.20-83,515,627.20

Finding the Fourth Proportional to 87,696,004.80, 131,544,007.20 and 83,515,627.20

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Solution

The fourth proportional to 87,696,004.80, 131,544,007.20 and 83,515,627.20 is: 125,273,440.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,696,004.80 : 131,544,007.20 = 83,515,627.20 : x
  2. Step 2: Convert to fraction form
    87,696,004.80/131,544,007.20 = 83,515,627.20/x
  3. Step 3: Cross multiply
    87,696,004.80x = 131,544,007.20 × 83,515,627.20
  4. Step 4: Simplify right side
    87,696,004.80x = 10,985,980,265,709,316
  5. Step 5: Solve for x
    x = 10,985,980,265,709,316/87,696,004.80
  6. Step 6: Final answer
    x = 125,273,440.80

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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.