Home / 151,840,611.99-209,540,246.63-82,226,112.93

Finding the Fourth Proportional to 151,840,611.99, 209,540,246.63 and 82,226,112.93

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Solution

The fourth proportional to 151,840,611.99, 209,540,246.63 and 82,226,112.93 is: 113,472,145.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,840,611.99 : 209,540,246.63 = 82,226,112.93 : x
  2. Step 2: Convert to fraction form
    151,840,611.99/209,540,246.63 = 82,226,112.93/x
  3. Step 3: Cross multiply
    151,840,611.99x = 209,540,246.63 × 82,226,112.93
  4. Step 4: Simplify right side
    151,840,611.99x = 17,229,679,982,367,302
  5. Step 5: Solve for x
    x = 17,229,679,982,367,302/151,840,611.99
  6. Step 6: Final answer
    x = 113,472,145.27

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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.