Home / 120,840,505.56-166,754,102.22-68,622,643.80

Finding the Fourth Proportional to 120,840,505.56, 166,754,102.22 and 68,622,643.80

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Solution

The fourth proportional to 120,840,505.56, 166,754,102.22 and 68,622,643.80 is: 94,695,957.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,840,505.56 : 166,754,102.22 = 68,622,643.80 : x
  2. Step 2: Convert to fraction form
    120,840,505.56/166,754,102.22 = 68,622,643.80/x
  3. Step 3: Cross multiply
    120,840,505.56x = 166,754,102.22 × 68,622,643.80
  4. Step 4: Simplify right side
    120,840,505.56x = 11,443,107,358,831,848
  5. Step 5: Solve for x
    x = 11,443,107,358,831,848/120,840,505.56
  6. Step 6: Final answer
    x = 94,695,957.33

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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.