Home / 268,860,807.20-402,283,441.20-178,161,543.20

Finding the Fourth Proportional to 268,860,807.20, 402,283,441.20 and 178,161,543.20

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Solution

The fourth proportional to 268,860,807.20, 402,283,441.20 and 178,161,543.20 is: 266,574,512.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,860,807.20 : 402,283,441.20 = 178,161,543.20 : x
  2. Step 2: Convert to fraction form
    268,860,807.20/402,283,441.20 = 178,161,543.20/x
  3. Step 3: Cross multiply
    268,860,807.20x = 402,283,441.20 × 178,161,543.20
  4. Step 4: Simplify right side
    268,860,807.20x = 71,671,438,687,998,456
  5. Step 5: Solve for x
    x = 71,671,438,687,998,456/268,860,807.20
  6. Step 6: Final answer
    x = 266,574,512.79

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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.