Home / 155,476,157,452.62-214,557,890,689.86-86,888,715,306

Finding the Fourth Proportional to 155,476,157,452.62, 214,557,890,689.86 and 86,888,715,306

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Solution

The fourth proportional to 155,476,157,452.62, 214,557,890,689.86 and 86,888,715,306 is: 119,906,870,521.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,476,157,452.62 : 214,557,890,689.86 = 86,888,715,306 : x
  2. Step 2: Convert to fraction form
    155,476,157,452.62/214,557,890,689.86 = 86,888,715,306/x
  3. Step 3: Cross multiply
    155,476,157,452.62x = 214,557,890,689.86 × 86,888,715,306
  4. Step 4: Simplify right side
    155,476,157,452.62x = 18,642,659,480,807,111,917,568
  5. Step 5: Solve for x
    x = 18,642,659,480,807,111,917,568/155,476,157,452.62
  6. Step 6: Final answer
    x = 119,906,870,521.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.