Home / 50,310,963.60-69,428,712.29-28,284,561.20

Finding the Fourth Proportional to 50,310,963.60, 69,428,712.29 and 28,284,561.20

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Solution

The fourth proportional to 50,310,963.60, 69,428,712.29 and 28,284,561.20 is: 39,032,459.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,310,963.60 : 69,428,712.29 = 28,284,561.20 : x
  2. Step 2: Convert to fraction form
    50,310,963.60/69,428,712.29 = 28,284,561.20/x
  3. Step 3: Cross multiply
    50,310,963.60x = 69,428,712.29 × 28,284,561.20
  4. Step 4: Simplify right side
    50,310,963.60x = 1,963,760,661,315,130.75
  5. Step 5: Solve for x
    x = 1,963,760,661,315,130.75/50,310,963.60
  6. Step 6: Final answer
    x = 39,032,459.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.