Home / 178,676,859.70-268,015,289.55-63,791,125.30

Finding the Fourth Proportional to 178,676,859.70, 268,015,289.55 and 63,791,125.30

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Solution

The fourth proportional to 178,676,859.70, 268,015,289.55 and 63,791,125.30 is: 95,686,687.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,676,859.70 : 268,015,289.55 = 63,791,125.30 : x
  2. Step 2: Convert to fraction form
    178,676,859.70/268,015,289.55 = 63,791,125.30/x
  3. Step 3: Cross multiply
    178,676,859.70x = 268,015,289.55 × 63,791,125.30
  4. Step 4: Simplify right side
    178,676,859.70x = 17,096,996,917,999,830
  5. Step 5: Solve for x
    x = 17,096,996,917,999,830/178,676,859.70
  6. Step 6: Final answer
    x = 95,686,687.95

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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.