Home / 101,232,436.20-139,700,066.24-54,821,628.06

Finding the Fourth Proportional to 101,232,436.20, 139,700,066.24 and 54,821,628.06

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Solution

The fourth proportional to 101,232,436.20, 139,700,066.24 and 54,821,628.06 is: 75,653,469.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,232,436.20 : 139,700,066.24 = 54,821,628.06 : x
  2. Step 2: Convert to fraction form
    101,232,436.20/139,700,066.24 = 54,821,628.06/x
  3. Step 3: Cross multiply
    101,232,436.20x = 139,700,066.24 × 54,821,628.06
  4. Step 4: Simplify right side
    101,232,436.20x = 7,658,585,071,366,644
  5. Step 5: Solve for x
    x = 7,658,585,071,366,644/101,232,436.20
  6. Step 6: Final answer
    x = 75,653,469.96

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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.