Home / 49,907,815.80-74,861,723.70-42,601,486.20

Finding the Fourth Proportional to 49,907,815.80, 74,861,723.70 and 42,601,486.20

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Solution

The fourth proportional to 49,907,815.80, 74,861,723.70 and 42,601,486.20 is: 63,902,229.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,907,815.80 : 74,861,723.70 = 42,601,486.20 : x
  2. Step 2: Convert to fraction form
    49,907,815.80/74,861,723.70 = 42,601,486.20/x
  3. Step 3: Cross multiply
    49,907,815.80x = 74,861,723.70 × 42,601,486.20
  4. Step 4: Simplify right side
    49,907,815.80x = 3,189,220,689,113,763.50
  5. Step 5: Solve for x
    x = 3,189,220,689,113,763.50/49,907,815.80
  6. Step 6: Final answer
    x = 63,902,229.30

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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.