Home / 133,204,521.16-199,715,854.11-70,965,141.36

Finding the Fourth Proportional to 133,204,521.16, 199,715,854.11 and 70,965,141.36

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Solution

The fourth proportional to 133,204,521.16, 199,715,854.11 and 70,965,141.36 is: 106,399,270.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,204,521.16 : 199,715,854.11 = 70,965,141.36 : x
  2. Step 2: Convert to fraction form
    133,204,521.16/199,715,854.11 = 70,965,141.36/x
  3. Step 3: Cross multiply
    133,204,521.16x = 199,715,854.11 × 70,965,141.36
  4. Step 4: Simplify right side
    133,204,521.16x = 14,172,863,818,749,288
  5. Step 5: Solve for x
    x = 14,172,863,818,749,288/133,204,521.16
  6. Step 6: Final answer
    x = 106,399,270.05

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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.