Home / 155,145,926,839.82-214,106,661,736.44-90,035,313,045.12

Finding the Fourth Proportional to 155,145,926,839.82, 214,106,661,736.44 and 90,035,313,045.12

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Solution

The fourth proportional to 155,145,926,839.82, 214,106,661,736.44 and 90,035,313,045.12 is: 124,251,797,692.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,145,926,839.82 : 214,106,661,736.44 = 90,035,313,045.12 : x
  2. Step 2: Convert to fraction form
    155,145,926,839.82/214,106,661,736.44 = 90,035,313,045.12/x
  3. Step 3: Cross multiply
    155,145,926,839.82x = 214,106,661,736.44 × 90,035,313,045.12
  4. Step 4: Simplify right side
    155,145,926,839.82x = 19,277,160,314,484,922,777,600
  5. Step 5: Solve for x
    x = 19,277,160,314,484,922,777,600/155,145,926,839.82
  6. Step 6: Final answer
    x = 124,251,797,692.30

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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.