Home / 102,689,613.27-153,965,969.10-53,384,288.76

Finding the Fourth Proportional to 102,689,613.27, 153,965,969.10 and 53,384,288.76

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Solution

The fourth proportional to 102,689,613.27, 153,965,969.10 and 53,384,288.76 is: 80,040,848.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,689,613.27 : 153,965,969.10 = 53,384,288.76 : x
  2. Step 2: Convert to fraction form
    102,689,613.27/153,965,969.10 = 53,384,288.76/x
  3. Step 3: Cross multiply
    102,689,613.27x = 153,965,969.10 × 53,384,288.76
  4. Step 4: Simplify right side
    102,689,613.27x = 8,219,363,753,647,637
  5. Step 5: Solve for x
    x = 8,219,363,753,647,637/102,689,613.27
  6. Step 6: Final answer
    x = 80,040,848.26

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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.