Home / 57,093,703.68-78,789,397.50-30,988,230.96

Finding the Fourth Proportional to 57,093,703.68, 78,789,397.50 and 30,988,230.96

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Solution

The fourth proportional to 57,093,703.68, 78,789,397.50 and 30,988,230.96 is: 42,763,805.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,093,703.68 : 78,789,397.50 = 30,988,230.96 : x
  2. Step 2: Convert to fraction form
    57,093,703.68/78,789,397.50 = 30,988,230.96/x
  3. Step 3: Cross multiply
    57,093,703.68x = 78,789,397.50 × 30,988,230.96
  4. Step 4: Simplify right side
    57,093,703.68x = 2,441,544,046,929,246.50
  5. Step 5: Solve for x
    x = 2,441,544,046,929,246.50/57,093,703.68
  6. Step 6: Final answer
    x = 42,763,805.63

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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.