Home / 206,306,400.47-284,704,333.47-112,221,359.73

Finding the Fourth Proportional to 206,306,400.47, 284,704,333.47 and 112,221,359.73

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Solution

The fourth proportional to 206,306,400.47, 284,704,333.47 and 112,221,359.73 is: 154,866,292.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,306,400.47 : 284,704,333.47 = 112,221,359.73 : x
  2. Step 2: Convert to fraction form
    206,306,400.47/284,704,333.47 = 112,221,359.73/x
  3. Step 3: Cross multiply
    206,306,400.47x = 284,704,333.47 × 112,221,359.73
  4. Step 4: Simplify right side
    206,306,400.47x = 31,949,907,423,026,752
  5. Step 5: Solve for x
    x = 31,949,907,423,026,752/206,306,400.47
  6. Step 6: Final answer
    x = 154,866,292.81

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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.