Home / 228,889,604.96-315,875,961.20-131,123,356.64

Finding the Fourth Proportional to 228,889,604.96, 315,875,961.20 and 131,123,356.64

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Solution

The fourth proportional to 228,889,604.96, 315,875,961.20 and 131,123,356.64 is: 180,954,990.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,889,604.96 : 315,875,961.20 = 131,123,356.64 : x
  2. Step 2: Convert to fraction form
    228,889,604.96/315,875,961.20 = 131,123,356.64/x
  3. Step 3: Cross multiply
    228,889,604.96x = 315,875,961.20 × 131,123,356.64
  4. Step 4: Simplify right side
    228,889,604.96x = 41,418,716,314,430,400
  5. Step 5: Solve for x
    x = 41,418,716,314,430,400/228,889,604.96
  6. Step 6: Final answer
    x = 180,954,990.60

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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.