Home / 115,719,668.40-173,510,218.32-39,040,998.96

Finding the Fourth Proportional to 115,719,668.40, 173,510,218.32 and 39,040,998.96

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Solution

The fourth proportional to 115,719,668.40, 173,510,218.32 and 39,040,998.96 is: 58,538,123.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,719,668.40 : 173,510,218.32 = 39,040,998.96 : x
  2. Step 2: Convert to fraction form
    115,719,668.40/173,510,218.32 = 39,040,998.96/x
  3. Step 3: Cross multiply
    115,719,668.40x = 173,510,218.32 × 39,040,998.96
  4. Step 4: Simplify right side
    115,719,668.40x = 6,774,012,252,980,493
  5. Step 5: Solve for x
    x = 6,774,012,252,980,493/115,719,668.40
  6. Step 6: Final answer
    x = 58,538,123.61

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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.