Home / 86,373,269.63-119,195,121.07-47,215,205.94

Finding the Fourth Proportional to 86,373,269.63, 119,195,121.07 and 47,215,205.94

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Solution

The fourth proportional to 86,373,269.63, 119,195,121.07 and 47,215,205.94 is: 65,156,989.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,373,269.63 : 119,195,121.07 = 47,215,205.94 : x
  2. Step 2: Convert to fraction form
    86,373,269.63/119,195,121.07 = 47,215,205.94/x
  3. Step 3: Cross multiply
    86,373,269.63x = 119,195,121.07 × 47,215,205.94
  4. Step 4: Simplify right side
    86,373,269.63x = 5,627,822,188,869,284
  5. Step 5: Solve for x
    x = 5,627,822,188,869,284/86,373,269.63
  6. Step 6: Final answer
    x = 65,156,989.11

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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.