Home / 155,145,926,840.07-214,106,661,736.78-90,035,313,045.36

Finding the Fourth Proportional to 155,145,926,840.07, 214,106,661,736.78 and 90,035,313,045.36

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Solution

The fourth proportional to 155,145,926,840.07, 214,106,661,736.78 and 90,035,313,045.36 is: 124,251,797,692.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,145,926,840.07 : 214,106,661,736.78 = 90,035,313,045.36 : x
  2. Step 2: Convert to fraction form
    155,145,926,840.07/214,106,661,736.78 = 90,035,313,045.36/x
  3. Step 3: Cross multiply
    155,145,926,840.07x = 214,106,661,736.78 × 90,035,313,045.36
  4. Step 4: Simplify right side
    155,145,926,840.07x = 19,277,160,314,567,990,968,320
  5. Step 5: Solve for x
    x = 19,277,160,314,567,990,968,320/155,145,926,840.07
  6. Step 6: Final answer
    x = 124,251,797,692.63

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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.