Home / 329,927,129.13-495,323,209.22-221,238,642.63

Finding the Fourth Proportional to 329,927,129.13, 495,323,209.22 and 221,238,642.63

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Solution

The fourth proportional to 329,927,129.13, 495,323,209.22 and 221,238,642.63 is: 332,147,995.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,927,129.13 : 495,323,209.22 = 221,238,642.63 : x
  2. Step 2: Convert to fraction form
    329,927,129.13/495,323,209.22 = 221,238,642.63/x
  3. Step 3: Cross multiply
    329,927,129.13x = 495,323,209.22 × 221,238,642.63
  4. Step 4: Simplify right side
    329,927,129.13x = 109,584,634,469,862,096
  5. Step 5: Solve for x
    x = 109,584,634,469,862,096/329,927,129.13
  6. Step 6: Final answer
    x = 332,147,995.10

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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.