Home / 66,889,997.40-100,310,900.22-23,158,882.71

Finding the Fourth Proportional to 66,889,997.40, 100,310,900.22 and 23,158,882.71

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Solution

The fourth proportional to 66,889,997.40, 100,310,900.22 and 23,158,882.71 is: 34,729,981.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,889,997.40 : 100,310,900.22 = 23,158,882.71 : x
  2. Step 2: Convert to fraction form
    66,889,997.40/100,310,900.22 = 23,158,882.71/x
  3. Step 3: Cross multiply
    66,889,997.40x = 100,310,900.22 × 23,158,882.71
  4. Step 4: Simplify right side
    66,889,997.40x = 2,323,088,372,729,493.50
  5. Step 5: Solve for x
    x = 2,323,088,372,729,493.50/66,889,997.40
  6. Step 6: Final answer
    x = 34,729,981.51

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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.