Home / 84,739,979.40-127,109,969.10-27,238,063.20

Finding the Fourth Proportional to 84,739,979.40, 127,109,969.10 and 27,238,063.20

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Solution

The fourth proportional to 84,739,979.40, 127,109,969.10 and 27,238,063.20 is: 40,857,094.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,739,979.40 : 127,109,969.10 = 27,238,063.20 : x
  2. Step 2: Convert to fraction form
    84,739,979.40/127,109,969.10 = 27,238,063.20/x
  3. Step 3: Cross multiply
    84,739,979.40x = 127,109,969.10 × 27,238,063.20
  4. Step 4: Simplify right side
    84,739,979.40x = 3,462,229,371,695,847
  5. Step 5: Solve for x
    x = 3,462,229,371,695,847/84,739,979.40
  6. Step 6: Final answer
    x = 40,857,094.80

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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.