Home / 101,232,359.75-139,699,960.91-54,821,551.61

Finding the Fourth Proportional to 101,232,359.75, 139,699,960.91 and 54,821,551.61

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Solution

The fourth proportional to 101,232,359.75, 139,699,960.91 and 54,821,551.61 is: 75,653,364.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,232,359.75 : 139,699,960.91 = 54,821,551.61 : x
  2. Step 2: Convert to fraction form
    101,232,359.75/139,699,960.91 = 54,821,551.61/x
  3. Step 3: Cross multiply
    101,232,359.75x = 139,699,960.91 × 54,821,551.61
  4. Step 4: Simplify right side
    101,232,359.75x = 7,658,568,616,244,047
  5. Step 5: Solve for x
    x = 7,658,568,616,244,047/101,232,359.75
  6. Step 6: Final answer
    x = 75,653,364.55

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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.