Home / 71,131,822.68-98,162,018.46-38,536,774.68

Finding the Fourth Proportional to 71,131,822.68, 98,162,018.46 and 38,536,774.68

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Solution

The fourth proportional to 71,131,822.68, 98,162,018.46 and 38,536,774.68 is: 53,180,804.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,131,822.68 : 98,162,018.46 = 38,536,774.68 : x
  2. Step 2: Convert to fraction form
    71,131,822.68/98,162,018.46 = 38,536,774.68/x
  3. Step 3: Cross multiply
    71,131,822.68x = 98,162,018.46 × 38,536,774.68
  4. Step 4: Simplify right side
    71,131,822.68x = 3,782,847,587,527,020.50
  5. Step 5: Solve for x
    x = 3,782,847,587,527,020.50/71,131,822.68
  6. Step 6: Final answer
    x = 53,180,804.95

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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.