Home / 353,607,834.24-530,408,018.88-138,195,216

Finding the Fourth Proportional to 353,607,834.24, 530,408,018.88 and 138,195,216

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Solution

The fourth proportional to 353,607,834.24, 530,408,018.88 and 138,195,216 is: 207,291,365.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,607,834.24 : 530,408,018.88 = 138,195,216 : x
  2. Step 2: Convert to fraction form
    353,607,834.24/530,408,018.88 = 138,195,216/x
  3. Step 3: Cross multiply
    353,607,834.24x = 530,408,018.88 × 138,195,216
  4. Step 4: Simplify right side
    353,607,834.24x = 73,299,850,737,253,680
  5. Step 5: Solve for x
    x = 73,299,850,737,253,680/353,607,834.24
  6. Step 6: Final answer
    x = 207,291,365.29

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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.