Home / 189,552,251.70-284,328,377.55-123,795,285.30

Finding the Fourth Proportional to 189,552,251.70, 284,328,377.55 and 123,795,285.30

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Solution

The fourth proportional to 189,552,251.70, 284,328,377.55 and 123,795,285.30 is: 185,692,927.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,552,251.70 : 284,328,377.55 = 123,795,285.30 : x
  2. Step 2: Convert to fraction form
    189,552,251.70/284,328,377.55 = 123,795,285.30/x
  3. Step 3: Cross multiply
    189,552,251.70x = 284,328,377.55 × 123,795,285.30
  4. Step 4: Simplify right side
    189,552,251.70x = 35,198,512,617,688,364
  5. Step 5: Solve for x
    x = 35,198,512,617,688,364/189,552,251.70
  6. Step 6: Final answer
    x = 185,692,927.95

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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.