Home / 57,093,680.34-78,789,365.28-30,988,207.62

Finding the Fourth Proportional to 57,093,680.34, 78,789,365.28 and 30,988,207.62

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Solution

The fourth proportional to 57,093,680.34, 78,789,365.28 and 30,988,207.62 is: 42,763,773.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,093,680.34 : 78,789,365.28 = 30,988,207.62 : x
  2. Step 2: Convert to fraction form
    57,093,680.34/78,789,365.28 = 30,988,207.62/x
  3. Step 3: Cross multiply
    57,093,680.34x = 78,789,365.28 × 30,988,207.62
  4. Step 4: Simplify right side
    57,093,680.34x = 2,441,541,209,544,659.50
  5. Step 5: Solve for x
    x = 2,441,541,209,544,659.50/57,093,680.34
  6. Step 6: Final answer
    x = 42,763,773.42

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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.