Home / 103,189,132.30-154,735,868.08-38,475,561.70

Finding the Fourth Proportional to 103,189,132.30, 154,735,868.08 and 38,475,561.70

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Solution

The fourth proportional to 103,189,132.30, 154,735,868.08 and 38,475,561.70 is: 57,695,508.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,189,132.30 : 154,735,868.08 = 38,475,561.70 : x
  2. Step 2: Convert to fraction form
    103,189,132.30/154,735,868.08 = 38,475,561.70/x
  3. Step 3: Cross multiply
    103,189,132.30x = 154,735,868.08 × 38,475,561.70
  4. Step 4: Simplify right side
    103,189,132.30x = 5,953,549,439,515,102
  5. Step 5: Solve for x
    x = 5,953,549,439,515,102/103,189,132.30
  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.