Home / 269,660,967.22-372,026,248.12-156,611,213.87

Finding the Fourth Proportional to 269,660,967.22, 372,026,248.12 and 156,611,213.87

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Solution

The fourth proportional to 269,660,967.22, 372,026,248.12 and 156,611,213.87 is: 216,061,979.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,660,967.22 : 372,026,248.12 = 156,611,213.87 : x
  2. Step 2: Convert to fraction form
    269,660,967.22/372,026,248.12 = 156,611,213.87/x
  3. Step 3: Cross multiply
    269,660,967.22x = 372,026,248.12 × 156,611,213.87
  4. Step 4: Simplify right side
    269,660,967.22x = 58,263,482,310,700,832
  5. Step 5: Solve for x
    x = 58,263,482,310,700,832/269,660,967.22
  6. Step 6: Final answer
    x = 216,061,979.28

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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.