Home / 221,273,907.40-331,910,861.10-93,606,502.60

Finding the Fourth Proportional to 221,273,907.40, 331,910,861.10 and 93,606,502.60

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Solution

The fourth proportional to 221,273,907.40, 331,910,861.10 and 93,606,502.60 is: 140,409,753.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,273,907.40 : 331,910,861.10 = 93,606,502.60 : x
  2. Step 2: Convert to fraction form
    221,273,907.40/331,910,861.10 = 93,606,502.60/x
  3. Step 3: Cross multiply
    221,273,907.40x = 331,910,861.10 × 93,606,502.60
  4. Step 4: Simplify right side
    221,273,907.40x = 31,069,014,882,525,388
  5. Step 5: Solve for x
    x = 31,069,014,882,525,388/221,273,907.40
  6. Step 6: Final answer
    x = 140,409,753.90

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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.