Home / 162,940,102.80-244,693,589.40-86,412,598.80

Finding the Fourth Proportional to 162,940,102.80, 244,693,589.40 and 86,412,598.80

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Solution

The fourth proportional to 162,940,102.80, 244,693,589.40 and 86,412,598.80 is: 129,769,213.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,940,102.80 : 244,693,589.40 = 86,412,598.80 : x
  2. Step 2: Convert to fraction form
    162,940,102.80/244,693,589.40 = 86,412,598.80/x
  3. Step 3: Cross multiply
    162,940,102.80x = 244,693,589.40 × 86,412,598.80
  4. Step 4: Simplify right side
    162,940,102.80x = 21,144,608,969,754,132
  5. Step 5: Solve for x
    x = 21,144,608,969,754,132/162,940,102.80
  6. Step 6: Final answer
    x = 129,769,213.39

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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.