Home / 67,087,763.35-100,633,889.43-18,561,554.87

Finding the Fourth Proportional to 67,087,763.35, 100,633,889.43 and 18,561,554.87

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Solution

The fourth proportional to 67,087,763.35, 100,633,889.43 and 18,561,554.87 is: 27,842,953.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,087,763.35 : 100,633,889.43 = 18,561,554.87 : x
  2. Step 2: Convert to fraction form
    67,087,763.35/100,633,889.43 = 18,561,554.87/x
  3. Step 3: Cross multiply
    67,087,763.35x = 100,633,889.43 × 18,561,554.87
  4. Step 4: Simplify right side
    67,087,763.35x = 1,867,921,459,933,288.50
  5. Step 5: Solve for x
    x = 1,867,921,459,933,288.50/67,087,763.35
  6. Step 6: Final answer
    x = 27,842,953.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.