Home / 125,237,321.60-187,861,887.29-103,337,080.85

Finding the Fourth Proportional to 125,237,321.60, 187,861,887.29 and 103,337,080.85

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Solution

The fourth proportional to 125,237,321.60, 187,861,887.29 and 103,337,080.85 is: 155,010,493.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,237,321.60 : 187,861,887.29 = 103,337,080.85 : x
  2. Step 2: Convert to fraction form
    125,237,321.60/187,861,887.29 = 103,337,080.85/x
  3. Step 3: Cross multiply
    125,237,321.60x = 187,861,887.29 × 103,337,080.85
  4. Step 4: Simplify right side
    125,237,321.60x = 19,413,099,036,248,316
  5. Step 5: Solve for x
    x = 19,413,099,036,248,316/125,237,321.60
  6. Step 6: Final answer
    x = 155,010,493.59

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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.