Home / 132,407,792.90-198,493,494.15-51,609,968.90

Finding the Fourth Proportional to 132,407,792.90, 198,493,494.15 and 51,609,968.90

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Solution

The fourth proportional to 132,407,792.90, 198,493,494.15 and 51,609,968.90 is: 77,368,883.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,407,792.90 : 198,493,494.15 = 51,609,968.90 : x
  2. Step 2: Convert to fraction form
    132,407,792.90/198,493,494.15 = 51,609,968.90/x
  3. Step 3: Cross multiply
    132,407,792.90x = 198,493,494.15 × 51,609,968.90
  4. Step 4: Simplify right side
    132,407,792.90x = 10,244,243,059,933,832
  5. Step 5: Solve for x
    x = 10,244,243,059,933,832/132,407,792.90
  6. Step 6: Final answer
    x = 77,368,883.17

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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.