Home / 49,791,738.30-74,687,607.45-28,268,377.80

Finding the Fourth Proportional to 49,791,738.30, 74,687,607.45 and 28,268,377.80

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Solution

The fourth proportional to 49,791,738.30, 74,687,607.45 and 28,268,377.80 is: 42,402,566.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,791,738.30 : 74,687,607.45 = 28,268,377.80 : x
  2. Step 2: Convert to fraction form
    49,791,738.30/74,687,607.45 = 28,268,377.80/x
  3. Step 3: Cross multiply
    49,791,738.30x = 74,687,607.45 × 28,268,377.80
  4. Step 4: Simplify right side
    49,791,738.30x = 2,111,297,504,374,694.75
  5. Step 5: Solve for x
    x = 2,111,297,504,374,694.75/49,791,738.30
  6. Step 6: Final answer
    x = 42,402,566.70

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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.