Home / 269,660,967.66-372,026,248.73-156,611,214.31

Finding the Fourth Proportional to 269,660,967.66, 372,026,248.73 and 156,611,214.31

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Solution

The fourth proportional to 269,660,967.66, 372,026,248.73 and 156,611,214.31 is: 216,061,979.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,660,967.66 : 372,026,248.73 = 156,611,214.31 : x
  2. Step 2: Convert to fraction form
    269,660,967.66/372,026,248.73 = 156,611,214.31/x
  3. Step 3: Cross multiply
    269,660,967.66x = 372,026,248.73 × 156,611,214.31
  4. Step 4: Simplify right side
    269,660,967.66x = 58,263,482,568,016,344
  5. Step 5: Solve for x
    x = 58,263,482,568,016,344/269,660,967.66
  6. Step 6: Final answer
    x = 216,061,979.88

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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.