Home / 84,995,147.40-127,492,721.10-27,493,231.20

Finding the Fourth Proportional to 84,995,147.40, 127,492,721.10 and 27,493,231.20

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Solution

The fourth proportional to 84,995,147.40, 127,492,721.10 and 27,493,231.20 is: 41,239,846.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,995,147.40 : 127,492,721.10 = 27,493,231.20 : x
  2. Step 2: Convert to fraction form
    84,995,147.40/127,492,721.10 = 27,493,231.20/x
  3. Step 3: Cross multiply
    84,995,147.40x = 127,492,721.10 × 27,493,231.20
  4. Step 4: Simplify right side
    84,995,147.40x = 3,505,186,857,519,418
  5. Step 5: Solve for x
    x = 3,505,186,857,519,418/84,995,147.40
  6. Step 6: Final answer
    x = 41,239,846.80

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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.