Home / 149,365,940,605.56-206,125,619,064.12-80,777,353,719.15

Finding the Fourth Proportional to 149,365,940,605.56, 206,125,619,064.12 and 80,777,353,719.15

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Solution

The fourth proportional to 149,365,940,605.56, 206,125,619,064.12 and 80,777,353,719.15 is: 111,473,083,985.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,365,940,605.56 : 206,125,619,064.12 = 80,777,353,719.15 : x
  2. Step 2: Convert to fraction form
    149,365,940,605.56/206,125,619,064.12 = 80,777,353,719.15/x
  3. Step 3: Cross multiply
    149,365,940,605.56x = 206,125,619,064.12 × 80,777,353,719.15
  4. Step 4: Simplify right side
    149,365,940,605.56x = 16,650,282,041,721,187,467,264
  5. Step 5: Solve for x
    x = 16,650,282,041,721,187,467,264/149,365,940,605.56
  6. Step 6: Final answer
    x = 111,473,083,985.66

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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.