Home / 123,782,049.35-170,823,324.53-68,029,445.45

Finding the Fourth Proportional to 123,782,049.35, 170,823,324.53 and 68,029,445.45

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Solution

The fourth proportional to 123,782,049.35, 170,823,324.53 and 68,029,445.45 is: 93,882,886.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,782,049.35 : 170,823,324.53 = 68,029,445.45 : x
  2. Step 2: Convert to fraction form
    123,782,049.35/170,823,324.53 = 68,029,445.45/x
  3. Step 3: Cross multiply
    123,782,049.35x = 170,823,324.53 × 68,029,445.45
  4. Step 4: Simplify right side
    123,782,049.35x = 11,621,016,037,337,534
  5. Step 5: Solve for x
    x = 11,621,016,037,337,534/123,782,049.35
  6. Step 6: Final answer
    x = 93,882,886.08

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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.