Home / 70,324,360.24-105,482,454.72-21,139,151.44

Finding the Fourth Proportional to 70,324,360.24, 105,482,454.72 and 21,139,151.44

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Solution

The fourth proportional to 70,324,360.24, 105,482,454.72 and 21,139,151.44 is: 31,707,499.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,324,360.24 : 105,482,454.72 = 21,139,151.44 : x
  2. Step 2: Convert to fraction form
    70,324,360.24/105,482,454.72 = 21,139,151.44/x
  3. Step 3: Cross multiply
    70,324,360.24x = 105,482,454.72 × 21,139,151.44
  4. Step 4: Simplify right side
    70,324,360.24x = 2,229,809,584,589,023
  5. Step 5: Solve for x
    x = 2,229,809,584,589,023/70,324,360.24
  6. Step 6: Final answer
    x = 31,707,499.04

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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.