Home / 57,868,344.36-86,787,897.66-21,456,723.24

Finding the Fourth Proportional to 57,868,344.36, 86,787,897.66 and 21,456,723.24

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Solution

The fourth proportional to 57,868,344.36, 86,787,897.66 and 21,456,723.24 is: 32,179,664.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,868,344.36 : 86,787,897.66 = 21,456,723.24 : x
  2. Step 2: Convert to fraction form
    57,868,344.36/86,787,897.66 = 21,456,723.24/x
  3. Step 3: Cross multiply
    57,868,344.36x = 86,787,897.66 × 21,456,723.24
  4. Step 4: Simplify right side
    57,868,344.36x = 1,862,183,900,672,063.50
  5. Step 5: Solve for x
    x = 1,862,183,900,672,063.50/57,868,344.36
  6. Step 6: Final answer
    x = 32,179,664.40

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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.