Home / 105,041,581.92-144,981,569.52-61,595,514.72

Finding the Fourth Proportional to 105,041,581.92, 144,981,569.52 and 61,595,514.72

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Solution

The fourth proportional to 105,041,581.92, 144,981,569.52 and 61,595,514.72 is: 85,015,993.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,041,581.92 : 144,981,569.52 = 61,595,514.72 : x
  2. Step 2: Convert to fraction form
    105,041,581.92/144,981,569.52 = 61,595,514.72/x
  3. Step 3: Cross multiply
    105,041,581.92x = 144,981,569.52 × 61,595,514.72
  4. Step 4: Simplify right side
    105,041,581.92x = 8,930,214,399,497,864
  5. Step 5: Solve for x
    x = 8,930,214,399,497,864/105,041,581.92
  6. Step 6: Final answer
    x = 85,015,993.06

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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.