Home / 155,145,926,855.64-214,106,661,758.16-90,035,313,060.84

Finding the Fourth Proportional to 155,145,926,855.64, 214,106,661,758.16 and 90,035,313,060.84

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Solution

The fourth proportional to 155,145,926,855.64, 214,106,661,758.16 and 90,035,313,060.84 is: 124,251,797,713.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,145,926,855.64 : 214,106,661,758.16 = 90,035,313,060.84 : x
  2. Step 2: Convert to fraction form
    155,145,926,855.64/214,106,661,758.16 = 90,035,313,060.84/x
  3. Step 3: Cross multiply
    155,145,926,855.64x = 214,106,661,758.16 × 90,035,313,060.84
  4. Step 4: Simplify right side
    155,145,926,855.64x = 19,277,160,319,807,314,198,528
  5. Step 5: Solve for x
    x = 19,277,160,319,807,314,198,528/155,145,926,855.64
  6. Step 6: Final answer
    x = 124,251,797,713.93

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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.