Home / 86,756,687.55-119,725,450.38-47,597,752.71

Finding the Fourth Proportional to 86,756,687.55, 119,725,450.38 and 47,597,752.71

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Solution

The fourth proportional to 86,756,687.55, 119,725,450.38 and 47,597,752.71 is: 65,685,568.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,756,687.55 : 119,725,450.38 = 47,597,752.71 : x
  2. Step 2: Convert to fraction form
    86,756,687.55/119,725,450.38 = 47,597,752.71/x
  3. Step 3: Cross multiply
    86,756,687.55x = 119,725,450.38 × 47,597,752.71
  4. Step 4: Simplify right side
    86,756,687.55x = 5,698,662,380,280,615
  5. Step 5: Solve for x
    x = 5,698,662,380,280,615/86,756,687.55
  6. Step 6: Final answer
    x = 65,685,568.93

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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.