Home / 145,451,868.33-200,727,817.43-79,376,622.58

Finding the Fourth Proportional to 145,451,868.33, 200,727,817.43 and 79,376,622.58

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Solution

The fourth proportional to 145,451,868.33, 200,727,817.43 and 79,376,622.58 is: 109,542,052.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,451,868.33 : 200,727,817.43 = 79,376,622.58 : x
  2. Step 2: Convert to fraction form
    145,451,868.33/200,727,817.43 = 79,376,622.58/x
  3. Step 3: Cross multiply
    145,451,868.33x = 200,727,817.43 × 79,376,622.58
  4. Step 4: Simplify right side
    145,451,868.33x = 15,933,096,204,960,484
  5. Step 5: Solve for x
    x = 15,933,096,204,960,484/145,451,868.33
  6. Step 6: Final answer
    x = 109,542,052.56

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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.