Home / 42,492,857.10-63,833,764.05-40,886,724.30

Finding the Fourth Proportional to 42,492,857.10, 63,833,764.05 and 40,886,724.30

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Solution

The fourth proportional to 42,492,857.10, 63,833,764.05 and 40,886,724.30 is: 61,420,993.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,492,857.10 : 63,833,764.05 = 40,886,724.30 : x
  2. Step 2: Convert to fraction form
    42,492,857.10/63,833,764.05 = 40,886,724.30/x
  3. Step 3: Cross multiply
    42,492,857.10x = 63,833,764.05 × 40,886,724.30
  4. Step 4: Simplify right side
    42,492,857.10x = 2,609,953,511,743,601
  5. Step 5: Solve for x
    x = 2,609,953,511,743,601/42,492,857.10
  6. Step 6: Final answer
    x = 61,420,993.78

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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.