Home / 206,385,848.73-284,803,869.69-112,300,365.15

Finding the Fourth Proportional to 206,385,848.73, 284,803,869.69 and 112,300,365.15

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Solution

The fourth proportional to 206,385,848.73, 284,803,869.69 and 112,300,365.15 is: 154,969,823.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,385,848.73 : 284,803,869.69 = 112,300,365.15 : x
  2. Step 2: Convert to fraction form
    206,385,848.73/284,803,869.69 = 112,300,365.15/x
  3. Step 3: Cross multiply
    206,385,848.73x = 284,803,869.69 × 112,300,365.15
  4. Step 4: Simplify right side
    206,385,848.73x = 31,983,578,562,320,020
  5. Step 5: Solve for x
    x = 31,983,578,562,320,020/206,385,848.73
  6. Step 6: Final answer
    x = 154,969,823.56

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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.