Home / 74,490,192,001.20-111,735,288,001.80-66,408,887,578.80

Finding the Fourth Proportional to 74,490,192,001.20, 111,735,288,001.80 and 66,408,887,578.80

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Solution

The fourth proportional to 74,490,192,001.20, 111,735,288,001.80 and 66,408,887,578.80 is: 99,613,331,368.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,490,192,001.20 : 111,735,288,001.80 = 66,408,887,578.80 : x
  2. Step 2: Convert to fraction form
    74,490,192,001.20/111,735,288,001.80 = 66,408,887,578.80/x
  3. Step 3: Cross multiply
    74,490,192,001.20x = 111,735,288,001.80 × 66,408,887,578.80
  4. Step 4: Simplify right side
    74,490,192,001.20x = 7,420,216,179,496,377,647,104
  5. Step 5: Solve for x
    x = 7,420,216,179,496,377,647,104/74,490,192,001.20
  6. Step 6: Final answer
    x = 99,613,331,368.20

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1.5x scale

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.