Home / 135,970,167,175.20-203,955,250,762.80-77,197,044,103.20

Finding the Fourth Proportional to 135,970,167,175.20, 203,955,250,762.80 and 77,197,044,103.20

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Solution

The fourth proportional to 135,970,167,175.20, 203,955,250,762.80 and 77,197,044,103.20 is: 115,795,566,154.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,970,167,175.20 : 203,955,250,762.80 = 77,197,044,103.20 : x
  2. Step 2: Convert to fraction form
    135,970,167,175.20/203,955,250,762.80 = 77,197,044,103.20/x
  3. Step 3: Cross multiply
    135,970,167,175.20x = 203,955,250,762.80 × 77,197,044,103.20
  4. Step 4: Simplify right side
    135,970,167,175.20x = 15,744,742,488,215,086,170,112
  5. Step 5: Solve for x
    x = 15,744,742,488,215,086,170,112/135,970,167,175.20
  6. Step 6: Final answer
    x = 115,795,566,154.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.