Home / 189,922,611.60-284,735,084.76-74,993,179.32

Finding the Fourth Proportional to 189,922,611.60, 284,735,084.76 and 74,993,179.32

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Solution

The fourth proportional to 189,922,611.60, 284,735,084.76 and 74,993,179.32 is: 112,431,000.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,922,611.60 : 284,735,084.76 = 74,993,179.32 : x
  2. Step 2: Convert to fraction form
    189,922,611.60/284,735,084.76 = 74,993,179.32/x
  3. Step 3: Cross multiply
    189,922,611.60x = 284,735,084.76 × 74,993,179.32
  4. Step 4: Simplify right side
    189,922,611.60x = 21,353,189,270,102,076
  5. Step 5: Solve for x
    x = 21,353,189,270,102,076/189,922,611.60
  6. Step 6: Final answer
    x = 112,431,000.66

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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.