Home / 125,237,331.08-187,861,901.54-103,337,090.36

Finding the Fourth Proportional to 125,237,331.08, 187,861,901.54 and 103,337,090.36

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Solution

The fourth proportional to 125,237,331.08, 187,861,901.54 and 103,337,090.36 is: 155,010,507.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,237,331.08 : 187,861,901.54 = 103,337,090.36 : x
  2. Step 2: Convert to fraction form
    125,237,331.08/187,861,901.54 = 103,337,090.36/x
  3. Step 3: Cross multiply
    125,237,331.08x = 187,861,901.54 × 103,337,090.36
  4. Step 4: Simplify right side
    125,237,331.08x = 19,413,102,294,640,404
  5. Step 5: Solve for x
    x = 19,413,102,294,640,404/125,237,331.08
  6. Step 6: Final answer
    x = 155,010,507.87

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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.