Home / 52,034,777.21-78,021,911.09-19,689,178.43

Finding the Fourth Proportional to 52,034,777.21, 78,021,911.09 and 19,689,178.43

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Solution

The fourth proportional to 52,034,777.21, 78,021,911.09 and 19,689,178.43 is: 29,522,319.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,034,777.21 : 78,021,911.09 = 19,689,178.43 : x
  2. Step 2: Convert to fraction form
    52,034,777.21/78,021,911.09 = 19,689,178.43/x
  3. Step 3: Cross multiply
    52,034,777.21x = 78,021,911.09 × 19,689,178.43
  4. Step 4: Simplify right side
    52,034,777.21x = 1,536,187,328,412,050.25
  5. Step 5: Solve for x
    x = 1,536,187,328,412,050.25/52,034,777.21
  6. Step 6: Final answer
    x = 29,522,319.70

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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.