Home / 231,653,849.28-319,604,534.52-131,168,556

Finding the Fourth Proportional to 231,653,849.28, 319,604,534.52 and 131,168,556

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Solution

The fourth proportional to 231,653,849.28, 319,604,534.52 and 131,168,556 is: 180,968,567.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,653,849.28 : 319,604,534.52 = 131,168,556 : x
  2. Step 2: Convert to fraction form
    231,653,849.28/319,604,534.52 = 131,168,556/x
  3. Step 3: Cross multiply
    231,653,849.28x = 319,604,534.52 × 131,168,556
  4. Step 4: Simplify right side
    231,653,849.28x = 41,922,065,284,040,552
  5. Step 5: Solve for x
    x = 41,922,065,284,040,552/231,653,849.28
  6. Step 6: Final answer
    x = 180,968,567.60

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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.