Home / 72,870,151.56-109,324,390.65-26,188,349.55

Finding the Fourth Proportional to 72,870,151.56, 109,324,390.65 and 26,188,349.55

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Solution

The fourth proportional to 72,870,151.56, 109,324,390.65 and 26,188,349.55 is: 39,289,411.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,870,151.56 : 109,324,390.65 = 26,188,349.55 : x
  2. Step 2: Convert to fraction form
    72,870,151.56/109,324,390.65 = 26,188,349.55/x
  3. Step 3: Cross multiply
    72,870,151.56x = 109,324,390.65 × 26,188,349.55
  4. Step 4: Simplify right side
    72,870,151.56x = 2,863,025,356,682,952
  5. Step 5: Solve for x
    x = 2,863,025,356,682,952/72,870,151.56
  6. Step 6: Final answer
    x = 39,289,411.31

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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.