Home / 272,059,775.20-408,089,662.80-261,478,194.40

Finding the Fourth Proportional to 272,059,775.20, 408,089,662.80 and 261,478,194.40

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Solution

The fourth proportional to 272,059,775.20, 408,089,662.80 and 261,478,194.40 is: 392,217,291.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,059,775.20 : 408,089,662.80 = 261,478,194.40 : x
  2. Step 2: Convert to fraction form
    272,059,775.20/408,089,662.80 = 261,478,194.40/x
  3. Step 3: Cross multiply
    272,059,775.20x = 408,089,662.80 × 261,478,194.40
  4. Step 4: Simplify right side
    272,059,775.20x = 106,706,548,182,248,848
  5. Step 5: Solve for x
    x = 106,706,548,182,248,848/272,059,775.20
  6. Step 6: Final answer
    x = 392,217,291.60

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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.