Home / 47,968,289.20-71,931,438.60-19,204,865.20

Finding the Fourth Proportional to 47,968,289.20, 71,931,438.60 and 19,204,865.20

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Solution

The fourth proportional to 47,968,289.20, 71,931,438.60 and 19,204,865.20 is: 28,798,892.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,968,289.20 : 71,931,438.60 = 19,204,865.20 : x
  2. Step 2: Convert to fraction form
    47,968,289.20/71,931,438.60 = 19,204,865.20/x
  3. Step 3: Cross multiply
    47,968,289.20x = 71,931,438.60 × 19,204,865.20
  4. Step 4: Simplify right side
    47,968,289.20x = 1,381,433,581,955,076.50
  5. Step 5: Solve for x
    x = 1,381,433,581,955,076.50/47,968,289.20
  6. Step 6: Final answer
    x = 28,798,892.04

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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.