Home / 72,870,162.56-109,324,407.15-26,188,360.55

Finding the Fourth Proportional to 72,870,162.56, 109,324,407.15 and 26,188,360.55

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Solution

The fourth proportional to 72,870,162.56, 109,324,407.15 and 26,188,360.55 is: 39,289,427.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,870,162.56 : 109,324,407.15 = 26,188,360.55 : x
  2. Step 2: Convert to fraction form
    72,870,162.56/109,324,407.15 = 26,188,360.55/x
  3. Step 3: Cross multiply
    72,870,162.56x = 109,324,407.15 × 26,188,360.55
  4. Step 4: Simplify right side
    72,870,162.56x = 2,863,026,990,812,576
  5. Step 5: Solve for x
    x = 2,863,026,990,812,576/72,870,162.56
  6. Step 6: Final answer
    x = 39,289,427.80

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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.