Home / 190,040,622.48-285,061,882.88-67,219,053.08

Finding the Fourth Proportional to 190,040,622.48, 285,061,882.88 and 67,219,053.08

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Solution

The fourth proportional to 190,040,622.48, 285,061,882.88 and 67,219,053.08 is: 100,828,915.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,040,622.48 : 285,061,882.88 = 67,219,053.08 : x
  2. Step 2: Convert to fraction form
    190,040,622.48/285,061,882.88 = 67,219,053.08/x
  3. Step 3: Cross multiply
    190,040,622.48x = 285,061,882.88 × 67,219,053.08
  4. Step 4: Simplify right side
    190,040,622.48x = 19,161,589,836,395,464
  5. Step 5: Solve for x
    x = 19,161,589,836,395,464/190,040,622.48
  6. Step 6: Final answer
    x = 100,828,915.35

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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.