Home / 178,676,861.70-268,015,292.55-63,791,127.30

Finding the Fourth Proportional to 178,676,861.70, 268,015,292.55 and 63,791,127.30

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Solution

The fourth proportional to 178,676,861.70, 268,015,292.55 and 63,791,127.30 is: 95,686,690.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,676,861.70 : 268,015,292.55 = 63,791,127.30 : x
  2. Step 2: Convert to fraction form
    178,676,861.70/268,015,292.55 = 63,791,127.30/x
  3. Step 3: Cross multiply
    178,676,861.70x = 268,015,292.55 × 63,791,127.30
  4. Step 4: Simplify right side
    178,676,861.70x = 17,096,997,645,403,792
  5. Step 5: Solve for x
    x = 17,096,997,645,403,792/178,676,861.70
  6. Step 6: Final answer
    x = 95,686,690.95

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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.