Home / 228,519,876.30-315,453,975.51-154,281,000.82

Finding the Fourth Proportional to 228,519,876.30, 315,453,975.51 and 154,281,000.82

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Solution

The fourth proportional to 228,519,876.30, 315,453,975.51 and 154,281,000.82 is: 212,972,962.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,519,876.30 : 315,453,975.51 = 154,281,000.82 : x
  2. Step 2: Convert to fraction form
    228,519,876.30/315,453,975.51 = 154,281,000.82/x
  3. Step 3: Cross multiply
    228,519,876.30x = 315,453,975.51 × 154,281,000.82
  4. Step 4: Simplify right side
    228,519,876.30x = 48,668,555,051,981,896
  5. Step 5: Solve for x
    x = 48,668,555,051,981,896/228,519,876.30
  6. Step 6: Final answer
    x = 212,972,962.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.