Home / 67,292,809.13-100,940,014.70-18,767,710.54

Finding the Fourth Proportional to 67,292,809.13, 100,940,014.70 and 18,767,710.54

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Solution

The fourth proportional to 67,292,809.13, 100,940,014.70 and 18,767,710.54 is: 28,151,789.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,292,809.13 : 100,940,014.70 = 18,767,710.54 : x
  2. Step 2: Convert to fraction form
    67,292,809.13/100,940,014.70 = 18,767,710.54/x
  3. Step 3: Cross multiply
    67,292,809.13x = 100,940,014.70 × 18,767,710.54
  4. Step 4: Simplify right side
    67,292,809.13x = 1,894,412,977,587,514.25
  5. Step 5: Solve for x
    x = 1,894,412,977,587,514.25/67,292,809.13
  6. Step 6: Final answer
    x = 28,151,789.20

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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.