Home / 269,660,966.47-372,026,247.09-156,611,213.12

Finding the Fourth Proportional to 269,660,966.47, 372,026,247.09 and 156,611,213.12

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Solution

The fourth proportional to 269,660,966.47, 372,026,247.09 and 156,611,213.12 is: 216,061,978.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,660,966.47 : 372,026,247.09 = 156,611,213.12 : x
  2. Step 2: Convert to fraction form
    269,660,966.47/372,026,247.09 = 156,611,213.12/x
  3. Step 3: Cross multiply
    269,660,966.47x = 372,026,247.09 × 156,611,213.12
  4. Step 4: Simplify right side
    269,660,966.47x = 58,263,481,869,588,544
  5. Step 5: Solve for x
    x = 58,263,481,869,588,544/269,660,966.47
  6. Step 6: Final answer
    x = 216,061,978.24

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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.