Home / 193,620,090.70-267,187,950.60-105,512,210.50

Finding the Fourth Proportional to 193,620,090.70, 267,187,950.60 and 105,512,210.50

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Solution

The fourth proportional to 193,620,090.70, 267,187,950.60 and 105,512,210.50 is: 145,602,613.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,620,090.70 : 267,187,950.60 = 105,512,210.50 : x
  2. Step 2: Convert to fraction form
    193,620,090.70/267,187,950.60 = 105,512,210.50/x
  3. Step 3: Cross multiply
    193,620,090.70x = 267,187,950.60 × 105,512,210.50
  4. Step 4: Simplify right side
    193,620,090.70x = 28,191,591,286,770,800
  5. Step 5: Solve for x
    x = 28,191,591,286,770,800/193,620,090.70
  6. Step 6: Final answer
    x = 145,602,613.78

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1.5x scale

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.