Home / 240,520,257.29-360,781,586.97-85,074,208.37

Finding the Fourth Proportional to 240,520,257.29, 360,781,586.97 and 85,074,208.37

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Solution

The fourth proportional to 240,520,257.29, 360,781,586.97 and 85,074,208.37 is: 127,611,737.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,520,257.29 : 360,781,586.97 = 85,074,208.37 : x
  2. Step 2: Convert to fraction form
    240,520,257.29/360,781,586.97 = 85,074,208.37/x
  3. Step 3: Cross multiply
    240,520,257.29x = 360,781,586.97 × 85,074,208.37
  4. Step 4: Simplify right side
    240,520,257.29x = 30,693,207,905,175,056
  5. Step 5: Solve for x
    x = 30,693,207,905,175,056/240,520,257.29
  6. Step 6: Final answer
    x = 127,611,737.37

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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.