Home / 155,145,926,839.07-214,106,661,735.40-90,035,313,044.36

Finding the Fourth Proportional to 155,145,926,839.07, 214,106,661,735.40 and 90,035,313,044.36

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Solution

The fourth proportional to 155,145,926,839.07, 214,106,661,735.40 and 90,035,313,044.36 is: 124,251,797,691.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,145,926,839.07 : 214,106,661,735.40 = 90,035,313,044.36 : x
  2. Step 2: Convert to fraction form
    155,145,926,839.07/214,106,661,735.40 = 90,035,313,044.36/x
  3. Step 3: Cross multiply
    155,145,926,839.07x = 214,106,661,735.40 × 90,035,313,044.36
  4. Step 4: Simplify right side
    155,145,926,839.07x = 19,277,160,314,229,632,270,336
  5. Step 5: Solve for x
    x = 19,277,160,314,229,632,270,336/155,145,926,839.07
  6. Step 6: Final answer
    x = 124,251,797,691.25

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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.