Home / 40,278,657.70-60,417,986.55-36,247,579.30

Finding the Fourth Proportional to 40,278,657.70, 60,417,986.55 and 36,247,579.30

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Solution

The fourth proportional to 40,278,657.70, 60,417,986.55 and 36,247,579.30 is: 54,371,368.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,278,657.70 : 60,417,986.55 = 36,247,579.30 : x
  2. Step 2: Convert to fraction form
    40,278,657.70/60,417,986.55 = 36,247,579.30/x
  3. Step 3: Cross multiply
    40,278,657.70x = 60,417,986.55 × 36,247,579.30
  4. Step 4: Simplify right side
    40,278,657.70x = 2,190,005,758,617,458.25
  5. Step 5: Solve for x
    x = 2,190,005,758,617,458.25/40,278,657.70
  6. Step 6: Final answer
    x = 54,371,368.95

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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.