Home / 150,165,253-207,228,049.14-81,487,621

Finding the Fourth Proportional to 150,165,253, 207,228,049.14 and 81,487,621

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Solution

The fourth proportional to 150,165,253, 207,228,049.14 and 81,487,621 is: 112,452,916.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,165,253 : 207,228,049.14 = 81,487,621 : x
  2. Step 2: Convert to fraction form
    150,165,253/207,228,049.14 = 81,487,621/x
  3. Step 3: Cross multiply
    150,165,253x = 207,228,049.14 × 81,487,621
  4. Step 4: Simplify right side
    150,165,253x = 16,886,520,728,889,694
  5. Step 5: Solve for x
    x = 16,886,520,728,889,694/150,165,253
  6. Step 6: Final answer
    x = 112,452,916.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.