Home / 54,669,662.40-82,016,935.20-31,938,859.20

Finding the Fourth Proportional to 54,669,662.40, 82,016,935.20 and 31,938,859.20

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Solution

The fourth proportional to 54,669,662.40, 82,016,935.20 and 31,938,859.20 is: 47,915,557.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,669,662.40 : 82,016,935.20 = 31,938,859.20 : x
  2. Step 2: Convert to fraction form
    54,669,662.40/82,016,935.20 = 31,938,859.20/x
  3. Step 3: Cross multiply
    54,669,662.40x = 82,016,935.20 × 31,938,859.20
  4. Step 4: Simplify right side
    54,669,662.40x = 2,619,527,345,368,324
  5. Step 5: Solve for x
    x = 2,619,527,345,368,324/54,669,662.40
  6. Step 6: Final answer
    x = 47,915,557.37

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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.