Home / 283,878,436.88-391,656,019.56-231,577,060.88

Finding the Fourth Proportional to 283,878,436.88, 391,656,019.56 and 231,577,060.88

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Solution

The fourth proportional to 283,878,436.88, 391,656,019.56 and 231,577,060.88 is: 319,497,848.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,878,436.88 : 391,656,019.56 = 231,577,060.88 : x
  2. Step 2: Convert to fraction form
    283,878,436.88/391,656,019.56 = 231,577,060.88/x
  3. Step 3: Cross multiply
    283,878,436.88x = 391,656,019.56 × 231,577,060.88
  4. Step 4: Simplify right side
    283,878,436.88x = 90,698,549,885,664,592
  5. Step 5: Solve for x
    x = 90,698,549,885,664,592/283,878,436.88
  6. Step 6: Final answer
    x = 319,497,848.74

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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.