Home / 212,057,364.20-318,086,046.30-157,637,805.80

Finding the Fourth Proportional to 212,057,364.20, 318,086,046.30 and 157,637,805.80

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Solution

The fourth proportional to 212,057,364.20, 318,086,046.30 and 157,637,805.80 is: 236,456,708.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,057,364.20 : 318,086,046.30 = 157,637,805.80 : x
  2. Step 2: Convert to fraction form
    212,057,364.20/318,086,046.30 = 157,637,805.80/x
  3. Step 3: Cross multiply
    212,057,364.20x = 318,086,046.30 × 157,637,805.80
  4. Step 4: Simplify right side
    212,057,364.20x = 50,142,386,394,329,216
  5. Step 5: Solve for x
    x = 50,142,386,394,329,216/212,057,364.20
  6. Step 6: Final answer
    x = 236,456,708.70

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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.