Home / 159,859,611.42-220,611,613.11-97,967,997.66

Finding the Fourth Proportional to 159,859,611.42, 220,611,613.11 and 97,967,997.66

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Solution

The fourth proportional to 159,859,611.42, 220,611,613.11 and 97,967,997.66 is: 135,199,115.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,859,611.42 : 220,611,613.11 = 97,967,997.66 : x
  2. Step 2: Convert to fraction form
    159,859,611.42/220,611,613.11 = 97,967,997.66/x
  3. Step 3: Cross multiply
    159,859,611.42x = 220,611,613.11 × 97,967,997.66
  4. Step 4: Simplify right side
    159,859,611.42x = 21,612,877,996,929,304
  5. Step 5: Solve for x
    x = 21,612,877,996,929,304/159,859,611.42
  6. Step 6: Final answer
    x = 135,199,115.05

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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.