Home / 129,620,505.60-194,405,875.20-38,747,059.20

Finding the Fourth Proportional to 129,620,505.60, 194,405,875.20 and 38,747,059.20

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Solution

The fourth proportional to 129,620,505.60, 194,405,875.20 and 38,747,059.20 is: 58,113,150.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,620,505.60 : 194,405,875.20 = 38,747,059.20 : x
  2. Step 2: Convert to fraction form
    129,620,505.60/194,405,875.20 = 38,747,059.20/x
  3. Step 3: Cross multiply
    129,620,505.60x = 194,405,875.20 × 38,747,059.20
  4. Step 4: Simplify right side
    129,620,505.60x = 7,532,655,955,202,212
  5. Step 5: Solve for x
    x = 7,532,655,955,202,212/129,620,505.60
  6. Step 6: Final answer
    x = 58,113,150.54

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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.