Home / 79,408,290.11-119,061,456.20-30,834,385.88

Finding the Fourth Proportional to 79,408,290.11, 119,061,456.20 and 30,834,385.88

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Solution

The fourth proportional to 79,408,290.11, 119,061,456.20 and 30,834,385.88 is: 46,231,783.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,408,290.11 : 119,061,456.20 = 30,834,385.88 : x
  2. Step 2: Convert to fraction form
    79,408,290.11/119,061,456.20 = 30,834,385.88/x
  3. Step 3: Cross multiply
    79,408,290.11x = 119,061,456.20 × 30,834,385.88
  4. Step 4: Simplify right side
    79,408,290.11x = 3,671,186,883,905,518.50
  5. Step 5: Solve for x
    x = 3,671,186,883,905,518.50/79,408,290.11
  6. Step 6: Final answer
    x = 46,231,783.59

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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.