Home / 49,832,809.20-74,668,732.20-28,203,087.60

Finding the Fourth Proportional to 49,832,809.20, 74,668,732.20 and 28,203,087.60

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Solution

The fourth proportional to 49,832,809.20, 74,668,732.20 and 28,203,087.60 is: 42,259,082.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,832,809.20 : 74,668,732.20 = 28,203,087.60 : x
  2. Step 2: Convert to fraction form
    49,832,809.20/74,668,732.20 = 28,203,087.60/x
  3. Step 3: Cross multiply
    49,832,809.20x = 74,668,732.20 × 28,203,087.60
  4. Step 4: Simplify right side
    49,832,809.20x = 2,105,888,795,217,541
  5. Step 5: Solve for x
    x = 2,105,888,795,217,541/49,832,809.20
  6. Step 6: Final answer
    x = 42,259,082.50

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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.