Home / 235,213,565.18-324,602,648.27-129,375,166.21

Finding the Fourth Proportional to 235,213,565.18, 324,602,648.27 and 129,375,166.21

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Solution

The fourth proportional to 235,213,565.18, 324,602,648.27 and 129,375,166.21 is: 178,542,090.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,213,565.18 : 324,602,648.27 = 129,375,166.21 : x
  2. Step 2: Convert to fraction form
    235,213,565.18/324,602,648.27 = 129,375,166.21/x
  3. Step 3: Cross multiply
    235,213,565.18x = 324,602,648.27 × 129,375,166.21
  4. Step 4: Simplify right side
    235,213,565.18x = 41,995,521,571,164,192
  5. Step 5: Solve for x
    x = 41,995,521,571,164,192/235,213,565.18
  6. Step 6: Final answer
    x = 178,542,090.21

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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.