Home / 129,096,971.13-193,645,338.37-40,466,179.22

Finding the Fourth Proportional to 129,096,971.13, 193,645,338.37 and 40,466,179.22

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Solution

The fourth proportional to 129,096,971.13, 193,645,338.37 and 40,466,179.22 is: 60,699,231.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,096,971.13 : 193,645,338.37 = 40,466,179.22 : x
  2. Step 2: Convert to fraction form
    129,096,971.13/193,645,338.37 = 40,466,179.22/x
  3. Step 3: Cross multiply
    129,096,971.13x = 193,645,338.37 × 40,466,179.22
  4. Step 4: Simplify right side
    129,096,971.13x = 7,836,086,967,164,432
  5. Step 5: Solve for x
    x = 7,836,086,967,164,432/129,096,971.13
  6. Step 6: Final answer
    x = 60,699,231.74

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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.