Home / 64,385,291.85-96,578,521.61-18,327,142.78

Finding the Fourth Proportional to 64,385,291.85, 96,578,521.61 and 18,327,142.78

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Solution

The fourth proportional to 64,385,291.85, 96,578,521.61 and 18,327,142.78 is: 27,490,880.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,385,291.85 : 96,578,521.61 = 18,327,142.78 : x
  2. Step 2: Convert to fraction form
    64,385,291.85/96,578,521.61 = 18,327,142.78/x
  3. Step 3: Cross multiply
    64,385,291.85x = 96,578,521.61 × 18,327,142.78
  4. Step 4: Simplify right side
    64,385,291.85x = 1,770,008,355,069,469
  5. Step 5: Solve for x
    x = 1,770,008,355,069,469/64,385,291.85
  6. Step 6: Final answer
    x = 27,490,880.36

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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.