Home / 79,408,289.62-119,061,455.45-30,834,385.39

Finding the Fourth Proportional to 79,408,289.62, 119,061,455.45 and 30,834,385.39

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Solution

The fourth proportional to 79,408,289.62, 119,061,455.45 and 30,834,385.39 is: 46,231,782.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,408,289.62 : 119,061,455.45 = 30,834,385.39 : x
  2. Step 2: Convert to fraction form
    79,408,289.62/119,061,455.45 = 30,834,385.39/x
  3. Step 3: Cross multiply
    79,408,289.62x = 119,061,455.45 × 30,834,385.39
  4. Step 4: Simplify right side
    79,408,289.62x = 3,671,186,801,844,309
  5. Step 5: Solve for x
    x = 3,671,186,801,844,309/79,408,289.62
  6. Step 6: Final answer
    x = 46,231,782.85

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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.