Home / 237,861,162.30-356,791,743.45-212,918,864.70

Finding the Fourth Proportional to 237,861,162.30, 356,791,743.45 and 212,918,864.70

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Solution

The fourth proportional to 237,861,162.30, 356,791,743.45 and 212,918,864.70 is: 319,378,297.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,861,162.30 : 356,791,743.45 = 212,918,864.70 : x
  2. Step 2: Convert to fraction form
    237,861,162.30/356,791,743.45 = 212,918,864.70/x
  3. Step 3: Cross multiply
    237,861,162.30x = 356,791,743.45 × 212,918,864.70
  4. Step 4: Simplify right side
    237,861,162.30x = 75,967,692,949,707,648
  5. Step 5: Solve for x
    x = 75,967,692,949,707,648/237,861,162.30
  6. Step 6: Final answer
    x = 319,378,297.05

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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.