Home / 69,744,084.48-104,615,074.80-31,378,505.76

Finding the Fourth Proportional to 69,744,084.48, 104,615,074.80 and 31,378,505.76

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Solution

The fourth proportional to 69,744,084.48, 104,615,074.80 and 31,378,505.76 is: 47,067,285.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,744,084.48 : 104,615,074.80 = 31,378,505.76 : x
  2. Step 2: Convert to fraction form
    69,744,084.48/104,615,074.80 = 31,378,505.76/x
  3. Step 3: Cross multiply
    69,744,084.48x = 104,615,074.80 × 31,378,505.76
  4. Step 4: Simplify right side
    69,744,084.48x = 3,282,664,727,194,631
  5. Step 5: Solve for x
    x = 3,282,664,727,194,631/69,744,084.48
  6. Step 6: Final answer
    x = 47,067,285.37

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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.