Home / 206,306,500.77-284,704,472.18-112,221,460.05

Finding the Fourth Proportional to 206,306,500.77, 284,704,472.18 and 112,221,460.05

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Solution

The fourth proportional to 206,306,500.77, 284,704,472.18 and 112,221,460.05 is: 154,866,431.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,306,500.77 : 284,704,472.18 = 112,221,460.05 : x
  2. Step 2: Convert to fraction form
    206,306,500.77/284,704,472.18 = 112,221,460.05/x
  3. Step 3: Cross multiply
    206,306,500.77x = 284,704,472.18 × 112,221,460.05
  4. Step 4: Simplify right side
    206,306,500.77x = 31,949,951,550,243,100
  5. Step 5: Solve for x
    x = 31,949,951,550,243,100/206,306,500.77
  6. Step 6: Final answer
    x = 154,866,431.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.