Home / 155,145,926,841.57-214,106,661,738.86-90,035,313,046.86

Finding the Fourth Proportional to 155,145,926,841.57, 214,106,661,738.86 and 90,035,313,046.86

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Solution

The fourth proportional to 155,145,926,841.57, 214,106,661,738.86 and 90,035,313,046.86 is: 124,251,797,694.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,145,926,841.57 : 214,106,661,738.86 = 90,035,313,046.86 : x
  2. Step 2: Convert to fraction form
    155,145,926,841.57/214,106,661,738.86 = 90,035,313,046.86/x
  3. Step 3: Cross multiply
    155,145,926,841.57x = 214,106,661,738.86 × 90,035,313,046.86
  4. Step 4: Simplify right side
    155,145,926,841.57x = 19,277,160,315,076,420,304,896
  5. Step 5: Solve for x
    x = 19,277,160,315,076,420,304,896/155,145,926,841.57
  6. Step 6: Final answer
    x = 124,251,797,694.71

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1.5x scale

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.