Home / 269,660,971.92-372,026,254.59-156,611,218.56

Finding the Fourth Proportional to 269,660,971.92, 372,026,254.59 and 156,611,218.56

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Solution

The fourth proportional to 269,660,971.92, 372,026,254.59 and 156,611,218.56 is: 216,061,985.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,660,971.92 : 372,026,254.59 = 156,611,218.56 : x
  2. Step 2: Convert to fraction form
    269,660,971.92/372,026,254.59 = 156,611,218.56/x
  3. Step 3: Cross multiply
    269,660,971.92x = 372,026,254.59 × 156,611,218.56
  4. Step 4: Simplify right side
    269,660,971.92x = 58,263,485,067,652,688
  5. Step 5: Solve for x
    x = 58,263,485,067,652,688/269,660,971.92
  6. Step 6: Final answer
    x = 216,061,985.73

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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.