Home / 304,349,432.77-420,003,023.91-165,120,194.53

Finding the Fourth Proportional to 304,349,432.77, 420,003,023.91 and 165,120,194.53

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Solution

The fourth proportional to 304,349,432.77, 420,003,023.91 and 165,120,194.53 is: 227,866,306.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,349,432.77 : 420,003,023.91 = 165,120,194.53 : x
  2. Step 2: Convert to fraction form
    304,349,432.77/420,003,023.91 = 165,120,194.53/x
  3. Step 3: Cross multiply
    304,349,432.77x = 420,003,023.91 × 165,120,194.53
  4. Step 4: Simplify right side
    304,349,432.77x = 69,350,981,011,113,248
  5. Step 5: Solve for x
    x = 69,350,981,011,113,248/304,349,432.77
  6. Step 6: Final answer
    x = 227,866,306.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.