Home / 109,589,449.36-151,215,668.76-65,554,643.92

Finding the Fourth Proportional to 109,589,449.36, 151,215,668.76 and 65,554,643.92

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Solution

The fourth proportional to 109,589,449.36, 151,215,668.76 and 65,554,643.92 is: 90,454,778.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,589,449.36 : 151,215,668.76 = 65,554,643.92 : x
  2. Step 2: Convert to fraction form
    109,589,449.36/151,215,668.76 = 65,554,643.92/x
  3. Step 3: Cross multiply
    109,589,449.36x = 151,215,668.76 × 65,554,643.92
  4. Step 4: Simplify right side
    109,589,449.36x = 9,912,889,320,686,468
  5. Step 5: Solve for x
    x = 9,912,889,320,686,468/109,589,449.36
  6. Step 6: Final answer
    x = 90,454,778.07

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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.