Home / 51,530,412.80-71,111,172.48-28,325,043.20

Finding the Fourth Proportional to 51,530,412.80, 71,111,172.48 and 28,325,043.20

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Solution

The fourth proportional to 51,530,412.80, 71,111,172.48 and 28,325,043.20 is: 39,088,121.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,530,412.80 : 71,111,172.48 = 28,325,043.20 : x
  2. Step 2: Convert to fraction form
    51,530,412.80/71,111,172.48 = 28,325,043.20/x
  3. Step 3: Cross multiply
    51,530,412.80x = 71,111,172.48 × 28,325,043.20
  4. Step 4: Simplify right side
    51,530,412.80x = 2,014,227,032,498,651.25
  5. Step 5: Solve for x
    x = 2,014,227,032,498,651.25/51,530,412.80
  6. Step 6: Final answer
    x = 39,088,121.42

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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.