Home / 52,297,747.20-78,446,620.80-31,890,412.80

Finding the Fourth Proportional to 52,297,747.20, 78,446,620.80 and 31,890,412.80

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Solution

The fourth proportional to 52,297,747.20, 78,446,620.80 and 31,890,412.80 is: 47,835,619.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,297,747.20 : 78,446,620.80 = 31,890,412.80 : x
  2. Step 2: Convert to fraction form
    52,297,747.20/78,446,620.80 = 31,890,412.80/x
  3. Step 3: Cross multiply
    52,297,747.20x = 78,446,620.80 × 31,890,412.80
  4. Step 4: Simplify right side
    52,297,747.20x = 2,501,695,120,077,066
  5. Step 5: Solve for x
    x = 2,501,695,120,077,066/52,297,747.20
  6. Step 6: Final answer
    x = 47,835,619.20

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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.