Home / 193,620,091.45-267,187,951.63-105,512,211.25

Finding the Fourth Proportional to 193,620,091.45, 267,187,951.63 and 105,512,211.25

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Solution

The fourth proportional to 193,620,091.45, 267,187,951.63 and 105,512,211.25 is: 145,602,614.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,620,091.45 : 267,187,951.63 = 105,512,211.25 : x
  2. Step 2: Convert to fraction form
    193,620,091.45/267,187,951.63 = 105,512,211.25/x
  3. Step 3: Cross multiply
    193,620,091.45x = 267,187,951.63 × 105,512,211.25
  4. Step 4: Simplify right side
    193,620,091.45x = 28,191,591,595,839,340
  5. Step 5: Solve for x
    x = 28,191,591,595,839,340/193,620,091.45
  6. Step 6: Final answer
    x = 145,602,614.82

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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.