Home / 52,259,790.11-78,384,619.87-15,868,500.35

Finding the Fourth Proportional to 52,259,790.11, 78,384,619.87 and 15,868,500.35

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Solution

The fourth proportional to 52,259,790.11, 78,384,619.87 and 15,868,500.35 is: 23,801,212.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,259,790.11 : 78,384,619.87 = 15,868,500.35 : x
  2. Step 2: Convert to fraction form
    52,259,790.11/78,384,619.87 = 15,868,500.35/x
  3. Step 3: Cross multiply
    52,259,790.11x = 78,384,619.87 × 15,868,500.35
  4. Step 4: Simplify right side
    52,259,790.11x = 1,243,846,367,998,002.25
  5. Step 5: Solve for x
    x = 1,243,846,367,998,002.25/52,259,790.11
  6. Step 6: Final answer
    x = 23,801,212.47

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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.