Home / 74,415,456.43-111,622,934.55-19,083,230.12

Finding the Fourth Proportional to 74,415,456.43, 111,622,934.55 and 19,083,230.12

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Solution

The fourth proportional to 74,415,456.43, 111,622,934.55 and 19,083,230.12 is: 28,624,781.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,415,456.43 : 111,622,934.55 = 19,083,230.12 : x
  2. Step 2: Convert to fraction form
    74,415,456.43/111,622,934.55 = 19,083,230.12/x
  3. Step 3: Cross multiply
    74,415,456.43x = 111,622,934.55 × 19,083,230.12
  4. Step 4: Simplify right side
    74,415,456.43x = 2,130,126,146,687,348.75
  5. Step 5: Solve for x
    x = 2,130,126,146,687,348.75/74,415,456.43
  6. Step 6: Final answer
    x = 28,624,781.05

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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.