Home / 49,791,736.80-74,687,605.20-28,268,376.30

Finding the Fourth Proportional to 49,791,736.80, 74,687,605.20 and 28,268,376.30

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Solution

The fourth proportional to 49,791,736.80, 74,687,605.20 and 28,268,376.30 is: 42,402,564.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,791,736.80 : 74,687,605.20 = 28,268,376.30 : x
  2. Step 2: Convert to fraction form
    49,791,736.80/74,687,605.20 = 28,268,376.30/x
  3. Step 3: Cross multiply
    49,791,736.80x = 74,687,605.20 × 28,268,376.30
  4. Step 4: Simplify right side
    49,791,736.80x = 2,111,297,328,739,437
  5. Step 5: Solve for x
    x = 2,111,297,328,739,437/49,791,736.80
  6. Step 6: Final answer
    x = 42,402,564.45

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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.