Home / 275,928,942.87-413,739,471.47-91,596,313.71

Finding the Fourth Proportional to 275,928,942.87, 413,739,471.47 and 91,596,313.71

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Solution

The fourth proportional to 275,928,942.87, 413,739,471.47 and 91,596,313.71 is: 137,343,368.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,928,942.87 : 413,739,471.47 = 91,596,313.71 : x
  2. Step 2: Convert to fraction form
    275,928,942.87/413,739,471.47 = 91,596,313.71/x
  3. Step 3: Cross multiply
    275,928,942.87x = 413,739,471.47 × 91,596,313.71
  4. Step 4: Simplify right side
    275,928,942.87x = 37,897,010,422,517,728
  5. Step 5: Solve for x
    x = 37,897,010,422,517,728/275,928,942.87
  6. Step 6: Final answer
    x = 137,343,368.29

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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.