Home / 178,679,934.20-268,019,901.30-142,848,126.20

Finding the Fourth Proportional to 178,679,934.20, 268,019,901.30 and 142,848,126.20

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Solution

The fourth proportional to 178,679,934.20, 268,019,901.30 and 142,848,126.20 is: 214,272,189.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,679,934.20 : 268,019,901.30 = 142,848,126.20 : x
  2. Step 2: Convert to fraction form
    178,679,934.20/268,019,901.30 = 142,848,126.20/x
  3. Step 3: Cross multiply
    178,679,934.20x = 268,019,901.30 × 142,848,126.20
  4. Step 4: Simplify right side
    178,679,934.20x = 38,286,140,685,013,944
  5. Step 5: Solve for x
    x = 38,286,140,685,013,944/178,679,934.20
  6. Step 6: Final answer
    x = 214,272,189.30

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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.