Home / 84,599,621.42-126,898,404.38-23,188,728.43

Finding the Fourth Proportional to 84,599,621.42, 126,898,404.38 and 23,188,728.43

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Solution

The fourth proportional to 84,599,621.42, 126,898,404.38 and 23,188,728.43 is: 34,782,810.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,599,621.42 : 126,898,404.38 = 23,188,728.43 : x
  2. Step 2: Convert to fraction form
    84,599,621.42/126,898,404.38 = 23,188,728.43/x
  3. Step 3: Cross multiply
    84,599,621.42x = 126,898,404.38 × 23,188,728.43
  4. Step 4: Simplify right side
    84,599,621.42x = 2,942,612,636,617,707
  5. Step 5: Solve for x
    x = 2,942,612,636,617,707/84,599,621.42
  6. Step 6: Final answer
    x = 34,782,810.93

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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.