Home / 137,905,679.70-190,311,136.56-76,028,232.60

Finding the Fourth Proportional to 137,905,679.70, 190,311,136.56 and 76,028,232.60

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Solution

The fourth proportional to 137,905,679.70, 190,311,136.56 and 76,028,232.60 is: 104,919,676.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,905,679.70 : 190,311,136.56 = 76,028,232.60 : x
  2. Step 2: Convert to fraction form
    137,905,679.70/190,311,136.56 = 76,028,232.60/x
  3. Step 3: Cross multiply
    137,905,679.70x = 190,311,136.56 × 76,028,232.60
  4. Step 4: Simplify right side
    137,905,679.70x = 14,469,019,356,754,042
  5. Step 5: Solve for x
    x = 14,469,019,356,754,042/137,905,679.70
  6. Step 6: Final answer
    x = 104,919,676.90

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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.