Home / 213,044,483.10-319,284,212.04-109,409,502.30

Finding the Fourth Proportional to 213,044,483.10, 319,284,212.04 and 109,409,502.30

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Solution

The fourth proportional to 213,044,483.10, 319,284,212.04 and 109,409,502.30 is: 163,969,168.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,044,483.10 : 319,284,212.04 = 109,409,502.30 : x
  2. Step 2: Convert to fraction form
    213,044,483.10/319,284,212.04 = 109,409,502.30/x
  3. Step 3: Cross multiply
    213,044,483.10x = 319,284,212.04 × 109,409,502.30
  4. Step 4: Simplify right side
    213,044,483.10x = 34,932,726,731,544,068
  5. Step 5: Solve for x
    x = 34,932,726,731,544,068/213,044,483.10
  6. Step 6: Final answer
    x = 163,969,168.43

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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.