Home / 103,578,919.43-142,928,732.25-57,166,184.03

Finding the Fourth Proportional to 103,578,919.43, 142,928,732.25 and 57,166,184.03

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Solution

The fourth proportional to 103,578,919.43, 142,928,732.25 and 57,166,184.03 is: 78,883,717.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,578,919.43 : 142,928,732.25 = 57,166,184.03 : x
  2. Step 2: Convert to fraction form
    103,578,919.43/142,928,732.25 = 57,166,184.03/x
  3. Step 3: Cross multiply
    103,578,919.43x = 142,928,732.25 × 57,166,184.03
  4. Step 4: Simplify right side
    103,578,919.43x = 8,170,690,210,263,452
  5. Step 5: Solve for x
    x = 8,170,690,210,263,452/103,578,919.43
  6. Step 6: Final answer
    x = 78,883,717.42

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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.