Home / 139,977,917,231.34-193,148,745,860.22-85,016,489,373.30

Finding the Fourth Proportional to 139,977,917,231.34, 193,148,745,860.22 and 85,016,489,373.30

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Solution

The fourth proportional to 139,977,917,231.34, 193,148,745,860.22 and 85,016,489,373.30 is: 117,310,134,517.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,977,917,231.34 : 193,148,745,860.22 = 85,016,489,373.30 : x
  2. Step 2: Convert to fraction form
    139,977,917,231.34/193,148,745,860.22 = 85,016,489,373.30/x
  3. Step 3: Cross multiply
    139,977,917,231.34x = 193,148,745,860.22 × 85,016,489,373.30
  4. Step 4: Simplify right side
    139,977,917,231.34x = 16,420,828,299,891,616,776,192
  5. Step 5: Solve for x
    x = 16,420,828,299,891,616,776,192/139,977,917,231.34
  6. Step 6: Final answer
    x = 117,310,134,517.53

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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.