Home / 125,237,345.82-187,861,923.63-103,337,105.04

Finding the Fourth Proportional to 125,237,345.82, 187,861,923.63 and 103,337,105.04

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Solution

The fourth proportional to 125,237,345.82, 187,861,923.63 and 103,337,105.04 is: 155,010,529.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,237,345.82 : 187,861,923.63 = 103,337,105.04 : x
  2. Step 2: Convert to fraction form
    125,237,345.82/187,861,923.63 = 103,337,105.04/x
  3. Step 3: Cross multiply
    125,237,345.82x = 187,861,923.63 × 103,337,105.04
  4. Step 4: Simplify right side
    125,237,345.82x = 19,413,107,335,169,768
  5. Step 5: Solve for x
    x = 19,413,107,335,169,768/125,237,345.82
  6. Step 6: Final answer
    x = 155,010,529.87

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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.