Home / 90,463,313.43-124,839,278.06-49,210,107.39

Finding the Fourth Proportional to 90,463,313.43, 124,839,278.06 and 49,210,107.39

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Solution

The fourth proportional to 90,463,313.43, 124,839,278.06 and 49,210,107.39 is: 67,909,896.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,463,313.43 : 124,839,278.06 = 49,210,107.39 : x
  2. Step 2: Convert to fraction form
    90,463,313.43/124,839,278.06 = 49,210,107.39/x
  3. Step 3: Cross multiply
    90,463,313.43x = 124,839,278.06 × 49,210,107.39
  4. Step 4: Simplify right side
    90,463,313.43x = 6,143,354,279,576,621
  5. Step 5: Solve for x
    x = 6,143,354,279,576,621/90,463,313.43
  6. Step 6: Final answer
    x = 67,909,896.80

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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.