Home / 64,638,515.20-96,957,772.80-40,452,044.80

Finding the Fourth Proportional to 64,638,515.20, 96,957,772.80 and 40,452,044.80

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Solution

The fourth proportional to 64,638,515.20, 96,957,772.80 and 40,452,044.80 is: 60,678,067.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,638,515.20 : 96,957,772.80 = 40,452,044.80 : x
  2. Step 2: Convert to fraction form
    64,638,515.20/96,957,772.80 = 40,452,044.80/x
  3. Step 3: Cross multiply
    64,638,515.20x = 96,957,772.80 × 40,452,044.80
  4. Step 4: Simplify right side
    64,638,515.20x = 3,922,140,169,013,821
  5. Step 5: Solve for x
    x = 3,922,140,169,013,821/64,638,515.20
  6. Step 6: Final answer
    x = 60,678,067.20

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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.