Home / 86,943,600.39-119,982,429.81-47,789,389.47

Finding the Fourth Proportional to 86,943,600.39, 119,982,429.81 and 47,789,389.47

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Solution

The fourth proportional to 86,943,600.39, 119,982,429.81 and 47,789,389.47 is: 65,949,501.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,943,600.39 : 119,982,429.81 = 47,789,389.47 : x
  2. Step 2: Convert to fraction form
    86,943,600.39/119,982,429.81 = 47,789,389.47/x
  3. Step 3: Cross multiply
    86,943,600.39x = 119,982,429.81 × 47,789,389.47
  4. Step 4: Simplify right side
    86,943,600.39x = 5,733,887,067,747,028
  5. Step 5: Solve for x
    x = 5,733,887,067,747,028/86,943,600.39
  6. Step 6: Final answer
    x = 65,949,501.08

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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.