Home / 154,451,363.70-231,564,717.59-72,528,027.69

Finding the Fourth Proportional to 154,451,363.70, 231,564,717.59 and 72,528,027.69

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Solution

The fourth proportional to 154,451,363.70, 231,564,717.59 and 72,528,027.69 is: 108,739,294.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,451,363.70 : 231,564,717.59 = 72,528,027.69 : x
  2. Step 2: Convert to fraction form
    154,451,363.70/231,564,717.59 = 72,528,027.69/x
  3. Step 3: Cross multiply
    154,451,363.70x = 231,564,717.59 × 72,528,027.69
  4. Step 4: Simplify right side
    154,451,363.70x = 16,794,932,249,031,910
  5. Step 5: Solve for x
    x = 16,794,932,249,031,910/154,451,363.70
  6. Step 6: Final answer
    x = 108,739,294.02

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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.