Home / 217,522,683.68-326,280,828.55-53,760,454.31

Finding the Fourth Proportional to 217,522,683.68, 326,280,828.55 and 53,760,454.31

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Solution

The fourth proportional to 217,522,683.68, 326,280,828.55 and 53,760,454.31 is: 80,639,891.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,522,683.68 : 326,280,828.55 = 53,760,454.31 : x
  2. Step 2: Convert to fraction form
    217,522,683.68/326,280,828.55 = 53,760,454.31/x
  3. Step 3: Cross multiply
    217,522,683.68x = 326,280,828.55 × 53,760,454.31
  4. Step 4: Simplify right side
    217,522,683.68x = 17,541,005,576,424,118
  5. Step 5: Solve for x
    x = 17,541,005,576,424,118/217,522,683.68
  6. Step 6: Final answer
    x = 80,639,891.34

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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.