Home / 69,343,705.20-104,015,557.80-18,230,890.80

Finding the Fourth Proportional to 69,343,705.20, 104,015,557.80 and 18,230,890.80

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Solution

The fourth proportional to 69,343,705.20, 104,015,557.80 and 18,230,890.80 is: 27,346,336.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,343,705.20 : 104,015,557.80 = 18,230,890.80 : x
  2. Step 2: Convert to fraction form
    69,343,705.20/104,015,557.80 = 18,230,890.80/x
  3. Step 3: Cross multiply
    69,343,705.20x = 104,015,557.80 × 18,230,890.80
  4. Step 4: Simplify right side
    69,343,705.20x = 1,896,296,275,752,888.25
  5. Step 5: Solve for x
    x = 1,896,296,275,752,888.25/69,343,705.20
  6. Step 6: Final answer
    x = 27,346,336.20

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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.