Home / 155,145,926,848.56-214,106,661,748.52-90,035,313,053.88

Finding the Fourth Proportional to 155,145,926,848.56, 214,106,661,748.52 and 90,035,313,053.88

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Solution

The fourth proportional to 155,145,926,848.56, 214,106,661,748.52 and 90,035,313,053.88 is: 124,251,797,704.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,145,926,848.56 : 214,106,661,748.52 = 90,035,313,053.88 : x
  2. Step 2: Convert to fraction form
    155,145,926,848.56/214,106,661,748.52 = 90,035,313,053.88/x
  3. Step 3: Cross multiply
    155,145,926,848.56x = 214,106,661,748.52 × 90,035,313,053.88
  4. Step 4: Simplify right side
    155,145,926,848.56x = 19,277,160,317,449,192,603,648
  5. Step 5: Solve for x
    x = 19,277,160,317,449,192,603,648/155,145,926,848.56
  6. Step 6: Final answer
    x = 124,251,797,704.40

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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.