Home / 143,722,689.19-215,585,761.46-40,085,586.33

Finding the Fourth Proportional to 143,722,689.19, 215,585,761.46 and 40,085,586.33

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Solution

The fourth proportional to 143,722,689.19, 215,585,761.46 and 40,085,586.33 is: 60,128,861.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,722,689.19 : 215,585,761.46 = 40,085,586.33 : x
  2. Step 2: Convert to fraction form
    143,722,689.19/215,585,761.46 = 40,085,586.33/x
  3. Step 3: Cross multiply
    143,722,689.19x = 215,585,761.46 × 40,085,586.33
  4. Step 4: Simplify right side
    143,722,689.19x = 8,641,881,652,952,692
  5. Step 5: Solve for x
    x = 8,641,881,652,952,692/143,722,689.19
  6. Step 6: Final answer
    x = 60,128,861.36

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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.