Home / 103,189,132.29-154,735,868.09-38,475,561.69

Finding the Fourth Proportional to 103,189,132.29, 154,735,868.09 and 38,475,561.69

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Solution

The fourth proportional to 103,189,132.29, 154,735,868.09 and 38,475,561.69 is: 57,695,508.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,189,132.29 : 154,735,868.09 = 38,475,561.69 : x
  2. Step 2: Convert to fraction form
    103,189,132.29/154,735,868.09 = 38,475,561.69/x
  3. Step 3: Cross multiply
    103,189,132.29x = 154,735,868.09 × 38,475,561.69
  4. Step 4: Simplify right side
    103,189,132.29x = 5,953,549,438,160,120
  5. Step 5: Solve for x
    x = 5,953,549,438,160,120/103,189,132.29
  6. Step 6: Final answer
    x = 57,695,508.30

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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.