Home / 89,105,328-122,735,347.20-62,954,449.92

Finding the Fourth Proportional to 89,105,328, 122,735,347.20 and 62,954,449.92

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Solution

The fourth proportional to 89,105,328, 122,735,347.20 and 62,954,449.92 is: 86,714,638.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,105,328 : 122,735,347.20 = 62,954,449.92 : x
  2. Step 2: Convert to fraction form
    89,105,328/122,735,347.20 = 62,954,449.92/x
  3. Step 3: Cross multiply
    89,105,328x = 122,735,347.20 × 62,954,449.92
  4. Step 4: Simplify right side
    89,105,328x = 7,726,736,268,716,213
  5. Step 5: Solve for x
    x = 7,726,736,268,716,213/89,105,328
  6. Step 6: Final answer
    x = 86,714,638.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.