Home / 57,537,465.82-86,340,248.43-21,171,393.16

Finding the Fourth Proportional to 57,537,465.82, 86,340,248.43 and 21,171,393.16

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Solution

The fourth proportional to 57,537,465.82, 86,340,248.43 and 21,171,393.16 is: 31,769,618.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,537,465.82 : 86,340,248.43 = 21,171,393.16 : x
  2. Step 2: Convert to fraction form
    57,537,465.82/86,340,248.43 = 21,171,393.16/x
  3. Step 3: Cross multiply
    57,537,465.82x = 86,340,248.43 × 21,171,393.16
  4. Step 4: Simplify right side
    57,537,465.82x = 1,827,943,345,043,603
  5. Step 5: Solve for x
    x = 1,827,943,345,043,603/57,537,465.82
  6. Step 6: Final answer
    x = 31,769,618.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.