Home / 109,589,448.36-151,215,667.38-65,554,642.92

Finding the Fourth Proportional to 109,589,448.36, 151,215,667.38 and 65,554,642.92

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Solution

The fourth proportional to 109,589,448.36, 151,215,667.38 and 65,554,642.92 is: 90,454,776.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,589,448.36 : 151,215,667.38 = 65,554,642.92 : x
  2. Step 2: Convert to fraction form
    109,589,448.36/151,215,667.38 = 65,554,642.92/x
  3. Step 3: Cross multiply
    109,589,448.36x = 151,215,667.38 × 65,554,642.92
  4. Step 4: Simplify right side
    109,589,448.36x = 9,912,889,079,005,392
  5. Step 5: Solve for x
    x = 9,912,889,079,005,392/109,589,448.36
  6. Step 6: Final answer
    x = 90,454,776.69

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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.