Home / 315,557,324.64-472,984,265.52-131,221,568.16

Finding the Fourth Proportional to 315,557,324.64, 472,984,265.52 and 131,221,568.16

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Solution

The fourth proportional to 315,557,324.64, 472,984,265.52 and 131,221,568.16 is: 196,686,092.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,557,324.64 : 472,984,265.52 = 131,221,568.16 : x
  2. Step 2: Convert to fraction form
    315,557,324.64/472,984,265.52 = 131,221,568.16/x
  3. Step 3: Cross multiply
    315,557,324.64x = 472,984,265.52 × 131,221,568.16
  4. Step 4: Simplify right side
    315,557,324.64x = 62,065,737,036,540,216
  5. Step 5: Solve for x
    x = 62,065,737,036,540,216/315,557,324.64
  6. Step 6: Final answer
    x = 196,686,092.16

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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.