Home / 129,929,422.98-194,918,714.99-52,212,376.88

Finding the Fourth Proportional to 129,929,422.98, 194,918,714.99 and 52,212,376.88

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Solution

The fourth proportional to 129,929,422.98, 194,918,714.99 and 52,212,376.88 is: 78,328,443.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,929,422.98 : 194,918,714.99 = 52,212,376.88 : x
  2. Step 2: Convert to fraction form
    129,929,422.98/194,918,714.99 = 52,212,376.88/x
  3. Step 3: Cross multiply
    129,929,422.98x = 194,918,714.99 × 52,212,376.88
  4. Step 4: Simplify right side
    129,929,422.98x = 10,177,169,408,023,186
  5. Step 5: Solve for x
    x = 10,177,169,408,023,186/129,929,422.98
  6. Step 6: Final answer
    x = 78,328,443.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.