Home / 146,687,021-202,434,387.54-81,496,925

Finding the Fourth Proportional to 146,687,021, 202,434,387.54 and 81,496,925

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Solution

The fourth proportional to 146,687,021, 202,434,387.54 and 81,496,925 is: 112,469,255.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,687,021 : 202,434,387.54 = 81,496,925 : x
  2. Step 2: Convert to fraction form
    146,687,021/202,434,387.54 = 81,496,925/x
  3. Step 3: Cross multiply
    146,687,021x = 202,434,387.54 × 81,496,925
  4. Step 4: Simplify right side
    146,687,021x = 16,497,780,098,768,314
  5. Step 5: Solve for x
    x = 16,497,780,098,768,314/146,687,021
  6. Step 6: Final answer
    x = 112,469,255.88

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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.