Home / 131,040,037.80-196,560,056.70-129,339,426.60

Finding the Fourth Proportional to 131,040,037.80, 196,560,056.70 and 129,339,426.60

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Solution

The fourth proportional to 131,040,037.80, 196,560,056.70 and 129,339,426.60 is: 194,009,139.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,040,037.80 : 196,560,056.70 = 129,339,426.60 : x
  2. Step 2: Convert to fraction form
    131,040,037.80/196,560,056.70 = 129,339,426.60/x
  3. Step 3: Cross multiply
    131,040,037.80x = 196,560,056.70 × 129,339,426.60
  4. Step 4: Simplify right side
    131,040,037.80x = 25,422,965,026,041,484
  5. Step 5: Solve for x
    x = 25,422,965,026,041,484/131,040,037.80
  6. Step 6: Final answer
    x = 194,009,139.90

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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.