Home / 178,676,860.20-268,015,290.30-63,791,125.80

Finding the Fourth Proportional to 178,676,860.20, 268,015,290.30 and 63,791,125.80

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Solution

The fourth proportional to 178,676,860.20, 268,015,290.30 and 63,791,125.80 is: 95,686,688.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,676,860.20 : 268,015,290.30 = 63,791,125.80 : x
  2. Step 2: Convert to fraction form
    178,676,860.20/268,015,290.30 = 63,791,125.80/x
  3. Step 3: Cross multiply
    178,676,860.20x = 268,015,290.30 × 63,791,125.80
  4. Step 4: Simplify right side
    178,676,860.20x = 17,096,997,099,850,820
  5. Step 5: Solve for x
    x = 17,096,997,099,850,820/178,676,860.20
  6. Step 6: Final answer
    x = 95,686,688.70

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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.