Home / 272,059,772.20-408,089,658.30-261,478,191.40

Finding the Fourth Proportional to 272,059,772.20, 408,089,658.30 and 261,478,191.40

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Solution

The fourth proportional to 272,059,772.20, 408,089,658.30 and 261,478,191.40 is: 392,217,287.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,059,772.20 : 408,089,658.30 = 261,478,191.40 : x
  2. Step 2: Convert to fraction form
    272,059,772.20/408,089,658.30 = 261,478,191.40/x
  3. Step 3: Cross multiply
    272,059,772.20x = 408,089,658.30 × 261,478,191.40
  4. Step 4: Simplify right side
    272,059,772.20x = 106,706,545,781,328,000
  5. Step 5: Solve for x
    x = 106,706,545,781,328,000/272,059,772.20
  6. Step 6: Final answer
    x = 392,217,287.10

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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.