Home / 86,452,685.76-119,305,648.36-47,293,621.72

Finding the Fourth Proportional to 86,452,685.76, 119,305,648.36 and 47,293,621.72

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Solution

The fourth proportional to 86,452,685.76, 119,305,648.36 and 47,293,621.72 is: 65,265,713.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,452,685.76 : 119,305,648.36 = 47,293,621.72 : x
  2. Step 2: Convert to fraction form
    86,452,685.76/119,305,648.36 = 47,293,621.72/x
  3. Step 3: Cross multiply
    86,452,685.76x = 119,305,648.36 × 47,293,621.72
  4. Step 4: Simplify right side
    86,452,685.76x = 5,642,396,202,597,178
  5. Step 5: Solve for x
    x = 5,642,396,202,597,178/86,452,685.76
  6. Step 6: Final answer
    x = 65,265,713.30

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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.