Home / 79,408,289.11-119,061,454.70-30,834,384.88

Finding the Fourth Proportional to 79,408,289.11, 119,061,454.70 and 30,834,384.88

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Solution

The fourth proportional to 79,408,289.11, 119,061,454.70 and 30,834,384.88 is: 46,231,782.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,408,289.11 : 119,061,454.70 = 30,834,384.88 : x
  2. Step 2: Convert to fraction form
    79,408,289.11/119,061,454.70 = 30,834,384.88/x
  3. Step 3: Cross multiply
    79,408,289.11x = 119,061,454.70 × 30,834,384.88
  4. Step 4: Simplify right side
    79,408,289.11x = 3,671,186,719,090,361
  5. Step 5: Solve for x
    x = 3,671,186,719,090,361/79,408,289.11
  6. Step 6: Final answer
    x = 46,231,782.10

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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.