Home / 316,931,744.66-437,204,838.21-206,987,813.78

Finding the Fourth Proportional to 316,931,744.66, 437,204,838.21 and 206,987,813.78

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Solution

The fourth proportional to 316,931,744.66, 437,204,838.21 and 206,987,813.78 is: 285,538,054.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,931,744.66 : 437,204,838.21 = 206,987,813.78 : x
  2. Step 2: Convert to fraction form
    316,931,744.66/437,204,838.21 = 206,987,813.78/x
  3. Step 3: Cross multiply
    316,931,744.66x = 437,204,838.21 × 206,987,813.78
  4. Step 4: Simplify right side
    316,931,744.66x = 90,496,073,635,126,512
  5. Step 5: Solve for x
    x = 90,496,073,635,126,512/316,931,744.66
  6. Step 6: Final answer
    x = 285,538,054.04

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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.