Home / 131,238,175.95-196,672,440.55-100,413,416.97

Finding the Fourth Proportional to 131,238,175.95, 196,672,440.55 and 100,413,416.97

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Solution

The fourth proportional to 131,238,175.95, 196,672,440.55 and 100,413,416.97 is: 150,478,712.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,238,175.95 : 196,672,440.55 = 100,413,416.97 : x
  2. Step 2: Convert to fraction form
    131,238,175.95/196,672,440.55 = 100,413,416.97/x
  3. Step 3: Cross multiply
    131,238,175.95x = 196,672,440.55 × 100,413,416.97
  4. Step 4: Simplify right side
    131,238,175.95x = 19,748,551,777,969,256
  5. Step 5: Solve for x
    x = 19,748,551,777,969,256/131,238,175.95
  6. Step 6: Final answer
    x = 150,478,712.74

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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.