Home / 42,704,046.10-64,056,069.15-40,719,999.70

Finding the Fourth Proportional to 42,704,046.10, 64,056,069.15 and 40,719,999.70

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Solution

The fourth proportional to 42,704,046.10, 64,056,069.15 and 40,719,999.70 is: 61,079,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,704,046.10 : 64,056,069.15 = 40,719,999.70 : x
  2. Step 2: Convert to fraction form
    42,704,046.10/64,056,069.15 = 40,719,999.70/x
  3. Step 3: Cross multiply
    42,704,046.10x = 64,056,069.15 × 40,719,999.70
  4. Step 4: Simplify right side
    42,704,046.10x = 2,608,363,116,571,179.50
  5. Step 5: Solve for x
    x = 2,608,363,116,571,179.50/42,704,046.10
  6. Step 6: Final answer
    x = 61,079,999.55

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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.