Home / 206,409,342.60-284,780,765.32-117,086,565.40

Finding the Fourth Proportional to 206,409,342.60, 284,780,765.32 and 117,086,565.40

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Solution

The fourth proportional to 206,409,342.60, 284,780,765.32 and 117,086,565.40 is: 161,543,083.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,409,342.60 : 284,780,765.32 = 117,086,565.40 : x
  2. Step 2: Convert to fraction form
    206,409,342.60/284,780,765.32 = 117,086,565.40/x
  3. Step 3: Cross multiply
    206,409,342.60x = 284,780,765.32 × 117,086,565.40
  4. Step 4: Simplify right side
    206,409,342.60x = 33,344,001,703,302,232
  5. Step 5: Solve for x
    x = 33,344,001,703,302,232/206,409,342.60
  6. Step 6: Final answer
    x = 161,543,083.68

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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.