Home / 151,090,315.20-226,467,511.20-82,981,886.40

Finding the Fourth Proportional to 151,090,315.20, 226,467,511.20 and 82,981,886.40

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Solution

The fourth proportional to 151,090,315.20, 226,467,511.20 and 82,981,886.40 is: 124,380,581.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,090,315.20 : 226,467,511.20 = 82,981,886.40 : x
  2. Step 2: Convert to fraction form
    151,090,315.20/226,467,511.20 = 82,981,886.40/x
  3. Step 3: Cross multiply
    151,090,315.20x = 226,467,511.20 × 82,981,886.40
  4. Step 4: Simplify right side
    151,090,315.20x = 18,792,701,287,689,128
  5. Step 5: Solve for x
    x = 18,792,701,287,689,128/151,090,315.20
  6. Step 6: Final answer
    x = 124,380,581.66

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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.