Home / 189,552,178.20-284,328,267.30-123,795,211.80

Finding the Fourth Proportional to 189,552,178.20, 284,328,267.30 and 123,795,211.80

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Solution

The fourth proportional to 189,552,178.20, 284,328,267.30 and 123,795,211.80 is: 185,692,817.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,552,178.20 : 284,328,267.30 = 123,795,211.80 : x
  2. Step 2: Convert to fraction form
    189,552,178.20/284,328,267.30 = 123,795,211.80/x
  3. Step 3: Cross multiply
    189,552,178.20x = 284,328,267.30 × 123,795,211.80
  4. Step 4: Simplify right side
    189,552,178.20x = 35,198,478,071,130,516
  5. Step 5: Solve for x
    x = 35,198,478,071,130,516/189,552,178.20
  6. Step 6: Final answer
    x = 185,692,817.70

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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.