Home / 54,023,131.24-74,559,021.54-30,812,937.64

Finding the Fourth Proportional to 54,023,131.24, 74,559,021.54 and 30,812,937.64

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Solution

The fourth proportional to 54,023,131.24, 74,559,021.54 and 30,812,937.64 is: 42,525,903.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,023,131.24 : 74,559,021.54 = 30,812,937.64 : x
  2. Step 2: Convert to fraction form
    54,023,131.24/74,559,021.54 = 30,812,937.64/x
  3. Step 3: Cross multiply
    54,023,131.24x = 74,559,021.54 × 30,812,937.64
  4. Step 4: Simplify right side
    54,023,131.24x = 2,297,382,481,211,437
  5. Step 5: Solve for x
    x = 2,297,382,481,211,437/54,023,131.24
  6. Step 6: Final answer
    x = 42,525,903.78

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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.