Home / 82,739,122.40-124,108,348.56-25,231,227.08

Finding the Fourth Proportional to 82,739,122.40, 124,108,348.56 and 25,231,227.08

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Solution

The fourth proportional to 82,739,122.40, 124,108,348.56 and 25,231,227.08 is: 37,846,738.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,739,122.40 : 124,108,348.56 = 25,231,227.08 : x
  2. Step 2: Convert to fraction form
    82,739,122.40/124,108,348.56 = 25,231,227.08/x
  3. Step 3: Cross multiply
    82,739,122.40x = 124,108,348.56 × 25,231,227.08
  4. Step 4: Simplify right side
    82,739,122.40x = 3,131,405,925,041,151
  5. Step 5: Solve for x
    x = 3,131,405,925,041,151/82,739,122.40
  6. Step 6: Final answer
    x = 37,846,738.45

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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.