Home / 103,350,419.43-155,020,475.84-38,649,467.85

Finding the Fourth Proportional to 103,350,419.43, 155,020,475.84 and 38,649,467.85

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Solution

The fourth proportional to 103,350,419.43, 155,020,475.84 and 38,649,467.85 is: 57,972,274.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,350,419.43 : 155,020,475.84 = 38,649,467.85 : x
  2. Step 2: Convert to fraction form
    103,350,419.43/155,020,475.84 = 38,649,467.85/x
  3. Step 3: Cross multiply
    103,350,419.43x = 155,020,475.84 × 38,649,467.85
  4. Step 4: Simplify right side
    103,350,419.43x = 5,991,458,896,876,535
  5. Step 5: Solve for x
    x = 5,991,458,896,876,535/103,350,419.43
  6. Step 6: Final answer
    x = 57,972,274.62

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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.