Home / 69,629,067.68-96,083,901.18-38,688,179

Finding the Fourth Proportional to 69,629,067.68, 96,083,901.18 and 38,688,179

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Solution

The fourth proportional to 69,629,067.68, 96,083,901.18 and 38,688,179 is: 53,387,346.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,629,067.68 : 96,083,901.18 = 38,688,179 : x
  2. Step 2: Convert to fraction form
    69,629,067.68/96,083,901.18 = 38,688,179/x
  3. Step 3: Cross multiply
    69,629,067.68x = 96,083,901.18 × 38,688,179
  4. Step 4: Simplify right side
    69,629,067.68x = 3,717,311,167,870,151.50
  5. Step 5: Solve for x
    x = 3,717,311,167,870,151.50/69,629,067.68
  6. Step 6: Final answer
    x = 53,387,346.57

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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.