Home / 54,313,559.36-74,934,367.80-30,789,573.20

Finding the Fourth Proportional to 54,313,559.36, 74,934,367.80 and 30,789,573.20

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Solution

The fourth proportional to 54,313,559.36, 74,934,367.80 and 30,789,573.20 is: 42,479,212.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,313,559.36 : 74,934,367.80 = 30,789,573.20 : x
  2. Step 2: Convert to fraction form
    54,313,559.36/74,934,367.80 = 30,789,573.20/x
  3. Step 3: Cross multiply
    54,313,559.36x = 74,934,367.80 × 30,789,573.20
  4. Step 4: Simplify right side
    54,313,559.36x = 2,307,197,202,573,823
  5. Step 5: Solve for x
    x = 2,307,197,202,573,823/54,313,559.36
  6. Step 6: Final answer
    x = 42,479,212.00

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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.