Home / 42,707,255.90-64,060,883.85-19,678,145.90

Finding the Fourth Proportional to 42,707,255.90, 64,060,883.85 and 19,678,145.90

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Solution

The fourth proportional to 42,707,255.90, 64,060,883.85 and 19,678,145.90 is: 29,517,218.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,707,255.90 : 64,060,883.85 = 19,678,145.90 : x
  2. Step 2: Convert to fraction form
    42,707,255.90/64,060,883.85 = 19,678,145.90/x
  3. Step 3: Cross multiply
    42,707,255.90x = 64,060,883.85 × 19,678,145.90
  4. Step 4: Simplify right side
    42,707,255.90x = 1,260,599,418,883,253.75
  5. Step 5: Solve for x
    x = 1,260,599,418,883,253.75/42,707,255.90
  6. Step 6: Final answer
    x = 29,517,218.85

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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.