Home / 49,830,919.20-74,604,661.20-38,399,032.80

Finding the Fourth Proportional to 49,830,919.20, 74,604,661.20 and 38,399,032.80

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Solution

The fourth proportional to 49,830,919.20, 74,604,661.20 and 38,399,032.80 is: 57,489,343.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,830,919.20 : 74,604,661.20 = 38,399,032.80 : x
  2. Step 2: Convert to fraction form
    49,830,919.20/74,604,661.20 = 38,399,032.80/x
  3. Step 3: Cross multiply
    49,830,919.20x = 74,604,661.20 × 38,399,032.80
  4. Step 4: Simplify right side
    49,830,919.20x = 2,864,746,832,451,687.50
  5. Step 5: Solve for x
    x = 2,864,746,832,451,687.50/49,830,919.20
  6. Step 6: Final answer
    x = 57,489,343.53

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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.