Home / 31,109,470.80-46,664,206.20-21,543,532.80

Finding the Fourth Proportional to 31,109,470.80, 46,664,206.20 and 21,543,532.80

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Solution

The fourth proportional to 31,109,470.80, 46,664,206.20 and 21,543,532.80 is: 32,315,299.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,109,470.80 : 46,664,206.20 = 21,543,532.80 : x
  2. Step 2: Convert to fraction form
    31,109,470.80/46,664,206.20 = 21,543,532.80/x
  3. Step 3: Cross multiply
    31,109,470.80x = 46,664,206.20 × 21,543,532.80
  4. Step 4: Simplify right side
    31,109,470.80x = 1,005,311,856,855,663.50
  5. Step 5: Solve for x
    x = 1,005,311,856,855,663.50/31,109,470.80
  6. Step 6: Final answer
    x = 32,315,299.20

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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.