Home / 57,746,391.36-86,617,375.20-19,431,424.32

Finding the Fourth Proportional to 57,746,391.36, 86,617,375.20 and 19,431,424.32

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Solution

The fourth proportional to 57,746,391.36, 86,617,375.20 and 19,431,424.32 is: 29,146,392.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,746,391.36 : 86,617,375.20 = 19,431,424.32 : x
  2. Step 2: Convert to fraction form
    57,746,391.36/86,617,375.20 = 19,431,424.32/x
  3. Step 3: Cross multiply
    57,746,391.36x = 86,617,375.20 × 19,431,424.32
  4. Step 4: Simplify right side
    57,746,391.36x = 1,683,098,970,995,845
  5. Step 5: Solve for x
    x = 1,683,098,970,995,845/57,746,391.36
  6. Step 6: Final answer
    x = 29,146,392.20

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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.