Home / 83,100,665.28-125,218,220.70-68,286,452.16

Finding the Fourth Proportional to 83,100,665.28, 125,218,220.70 and 68,286,452.16

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Solution

The fourth proportional to 83,100,665.28, 125,218,220.70 and 68,286,452.16 is: 102,895,783.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,100,665.28 : 125,218,220.70 = 68,286,452.16 : x
  2. Step 2: Convert to fraction form
    83,100,665.28/125,218,220.70 = 68,286,452.16/x
  3. Step 3: Cross multiply
    83,100,665.28x = 125,218,220.70 × 68,286,452.16
  4. Step 4: Simplify right side
    83,100,665.28x = 8,550,708,037,390,871
  5. Step 5: Solve for x
    x = 8,550,708,037,390,871/83,100,665.28
  6. Step 6: Final answer
    x = 102,895,783.19

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.