Home / 52,002,556.80-78,003,835.20-36,886,012.80

Finding the Fourth Proportional to 52,002,556.80, 78,003,835.20 and 36,886,012.80

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Solution

The fourth proportional to 52,002,556.80, 78,003,835.20 and 36,886,012.80 is: 55,329,019.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,002,556.80 : 78,003,835.20 = 36,886,012.80 : x
  2. Step 2: Convert to fraction form
    52,002,556.80/78,003,835.20 = 36,886,012.80/x
  3. Step 3: Cross multiply
    52,002,556.80x = 78,003,835.20 × 36,886,012.80
  4. Step 4: Simplify right side
    52,002,556.80x = 2,877,250,463,636,290.50
  5. Step 5: Solve for x
    x = 2,877,250,463,636,290.50/52,002,556.80
  6. Step 6: Final answer
    x = 55,329,019.20

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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.