Home / 85,741,369.62-128,612,157.30-23,493,215.76

Finding the Fourth Proportional to 85,741,369.62, 128,612,157.30 and 23,493,215.76

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Solution

The fourth proportional to 85,741,369.62, 128,612,157.30 and 23,493,215.76 is: 35,239,851.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,741,369.62 : 128,612,157.30 = 23,493,215.76 : x
  2. Step 2: Convert to fraction form
    85,741,369.62/128,612,157.30 = 23,493,215.76/x
  3. Step 3: Cross multiply
    85,741,369.62x = 128,612,157.30 × 23,493,215.76
  4. Step 4: Simplify right side
    85,741,369.62x = 3,021,513,160,807,959
  5. Step 5: Solve for x
    x = 3,021,513,160,807,959/85,741,369.62
  6. Step 6: Final answer
    x = 35,239,851.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.