Home / 279,777,060.32-386,092,715.14-154,326,426.40

Finding the Fourth Proportional to 279,777,060.32, 386,092,715.14 and 154,326,426.40

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Solution

The fourth proportional to 279,777,060.32, 386,092,715.14 and 154,326,426.40 is: 212,970,673.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,777,060.32 : 386,092,715.14 = 154,326,426.40 : x
  2. Step 2: Convert to fraction form
    279,777,060.32/386,092,715.14 = 154,326,426.40/x
  3. Step 3: Cross multiply
    279,777,060.32x = 386,092,715.14 × 154,326,426.40
  4. Step 4: Simplify right side
    279,777,060.32x = 59,584,308,986,629,376
  5. Step 5: Solve for x
    x = 59,584,308,986,629,376/279,777,060.32
  6. Step 6: Final answer
    x = 212,970,673.57

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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.