Home / 132,863,935.80-199,295,903.70-81,579,660.60

Finding the Fourth Proportional to 132,863,935.80, 199,295,903.70 and 81,579,660.60

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Solution

The fourth proportional to 132,863,935.80, 199,295,903.70 and 81,579,660.60 is: 122,369,490.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,863,935.80 : 199,295,903.70 = 81,579,660.60 : x
  2. Step 2: Convert to fraction form
    132,863,935.80/199,295,903.70 = 81,579,660.60/x
  3. Step 3: Cross multiply
    132,863,935.80x = 199,295,903.70 × 81,579,660.60
  4. Step 4: Simplify right side
    132,863,935.80x = 16,258,492,182,816,282
  5. Step 5: Solve for x
    x = 16,258,492,182,816,282/132,863,935.80
  6. Step 6: Final answer
    x = 122,369,490.90

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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.