Home / 109,156,623.10-163,624,709.85-54,485,122.30

Finding the Fourth Proportional to 109,156,623.10, 163,624,709.85 and 54,485,122.30

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Solution

The fourth proportional to 109,156,623.10, 163,624,709.85 and 54,485,122.30 is: 81,672,665.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,156,623.10 : 163,624,709.85 = 54,485,122.30 : x
  2. Step 2: Convert to fraction form
    109,156,623.10/163,624,709.85 = 54,485,122.30/x
  3. Step 3: Cross multiply
    109,156,623.10x = 163,624,709.85 × 54,485,122.30
  4. Step 4: Simplify right side
    109,156,623.10x = 8,915,112,327,479,264
  5. Step 5: Solve for x
    x = 8,915,112,327,479,264/109,156,623.10
  6. Step 6: Final answer
    x = 81,672,665.15

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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.