Home / 142,575,797.82-196,720,874.96-80,696,136.38

Finding the Fourth Proportional to 142,575,797.82, 196,720,874.96 and 80,696,136.38

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Solution

The fourth proportional to 142,575,797.82, 196,720,874.96 and 80,696,136.38 is: 111,341,579.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,575,797.82 : 196,720,874.96 = 80,696,136.38 : x
  2. Step 2: Convert to fraction form
    142,575,797.82/196,720,874.96 = 80,696,136.38/x
  3. Step 3: Cross multiply
    142,575,797.82x = 196,720,874.96 × 80,696,136.38
  4. Step 4: Simplify right side
    142,575,797.82x = 15,874,614,554,565,086
  5. Step 5: Solve for x
    x = 15,874,614,554,565,086/142,575,797.82
  6. Step 6: Final answer
    x = 111,341,579.69

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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.