Home / 39,858,820.70-59,788,231.05-30,222,023.90

Finding the Fourth Proportional to 39,858,820.70, 59,788,231.05 and 30,222,023.90

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Solution

The fourth proportional to 39,858,820.70, 59,788,231.05 and 30,222,023.90 is: 45,333,035.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,858,820.70 : 59,788,231.05 = 30,222,023.90 : x
  2. Step 2: Convert to fraction form
    39,858,820.70/59,788,231.05 = 30,222,023.90/x
  3. Step 3: Cross multiply
    39,858,820.70x = 59,788,231.05 × 30,222,023.90
  4. Step 4: Simplify right side
    39,858,820.70x = 1,806,921,347,731,822
  5. Step 5: Solve for x
    x = 1,806,921,347,731,822/39,858,820.70
  6. Step 6: Final answer
    x = 45,333,035.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.