Home / 49,781,618.92-68,703,145.44-30,207,465.91

Finding the Fourth Proportional to 49,781,618.92, 68,703,145.44 and 30,207,465.91

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Solution

The fourth proportional to 49,781,618.92, 68,703,145.44 and 30,207,465.91 is: 41,689,040.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,781,618.92 : 68,703,145.44 = 30,207,465.91 : x
  2. Step 2: Convert to fraction form
    49,781,618.92/68,703,145.44 = 30,207,465.91/x
  3. Step 3: Cross multiply
    49,781,618.92x = 68,703,145.44 × 30,207,465.91
  4. Step 4: Simplify right side
    49,781,618.92x = 2,075,347,923,788,572
  5. Step 5: Solve for x
    x = 2,075,347,923,788,572/49,781,618.92
  6. Step 6: Final answer
    x = 41,689,040.43

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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.