Home / 146,449,811.72-202,087,381.44-86,900,844.64

Finding the Fourth Proportional to 146,449,811.72, 202,087,381.44 and 86,900,844.64

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Solution

The fourth proportional to 146,449,811.72, 202,087,381.44 and 86,900,844.64 is: 119,915,238.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,449,811.72 : 202,087,381.44 = 86,900,844.64 : x
  2. Step 2: Convert to fraction form
    146,449,811.72/202,087,381.44 = 86,900,844.64/x
  3. Step 3: Cross multiply
    146,449,811.72x = 202,087,381.44 × 86,900,844.64
  4. Step 4: Simplify right side
    146,449,811.72x = 17,561,564,138,221,860
  5. Step 5: Solve for x
    x = 17,561,564,138,221,860/146,449,811.72
  6. Step 6: Final answer
    x = 119,915,238.76

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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.