Home / 269,660,960.64-372,026,239.08-156,611,207.28

Finding the Fourth Proportional to 269,660,960.64, 372,026,239.08 and 156,611,207.28

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Solution

The fourth proportional to 269,660,960.64, 372,026,239.08 and 156,611,207.28 is: 216,061,970.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,660,960.64 : 372,026,239.08 = 156,611,207.28 : x
  2. Step 2: Convert to fraction form
    269,660,960.64/372,026,239.08 = 156,611,207.28/x
  3. Step 3: Cross multiply
    269,660,960.64x = 372,026,239.08 × 156,611,207.28
  4. Step 4: Simplify right side
    269,660,960.64x = 58,263,478,442,156,712
  5. Step 5: Solve for x
    x = 58,263,478,442,156,712/269,660,960.64
  6. Step 6: Final answer
    x = 216,061,970.20

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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.