Home / 64,356,474.20-96,537,044.10-18,922,861.40

Finding the Fourth Proportional to 64,356,474.20, 96,537,044.10 and 18,922,861.40

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Solution

The fourth proportional to 64,356,474.20, 96,537,044.10 and 18,922,861.40 is: 28,384,978.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,356,474.20 : 96,537,044.10 = 18,922,861.40 : x
  2. Step 2: Convert to fraction form
    64,356,474.20/96,537,044.10 = 18,922,861.40/x
  3. Step 3: Cross multiply
    64,356,474.20x = 96,537,044.10 × 18,922,861.40
  4. Step 4: Simplify right side
    64,356,474.20x = 1,826,757,105,469,987.50
  5. Step 5: Solve for x
    x = 1,826,757,105,469,987.50/64,356,474.20
  6. Step 6: Final answer
    x = 28,384,978.02

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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.