Home / 272,059,748.20-408,089,622.30-261,478,167.40

Finding the Fourth Proportional to 272,059,748.20, 408,089,622.30 and 261,478,167.40

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Solution

The fourth proportional to 272,059,748.20, 408,089,622.30 and 261,478,167.40 is: 392,217,251.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,059,748.20 : 408,089,622.30 = 261,478,167.40 : x
  2. Step 2: Convert to fraction form
    272,059,748.20/408,089,622.30 = 261,478,167.40/x
  3. Step 3: Cross multiply
    272,059,748.20x = 408,089,622.30 × 261,478,167.40
  4. Step 4: Simplify right side
    272,059,748.20x = 106,706,526,573,962,176
  5. Step 5: Solve for x
    x = 106,706,526,573,962,176/272,059,748.20
  6. Step 6: Final answer
    x = 392,217,251.10

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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.