Home / 269,660,981.70-372,026,268-156,611,228.31

Finding the Fourth Proportional to 269,660,981.70, 372,026,268 and 156,611,228.31

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Solution

The fourth proportional to 269,660,981.70, 372,026,268 and 156,611,228.31 is: 216,061,999.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,660,981.70 : 372,026,268 = 156,611,228.31 : x
  2. Step 2: Convert to fraction form
    269,660,981.70/372,026,268 = 156,611,228.31/x
  3. Step 3: Cross multiply
    269,660,981.70x = 372,026,268 × 156,611,228.31
  4. Step 4: Simplify right side
    269,660,981.70x = 58,263,490,795,065,248
  5. Step 5: Solve for x
    x = 58,263,490,795,065,248/269,660,981.70
  6. Step 6: Final answer
    x = 216,061,999.14

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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.