Home / 193,169,816.20-289,768,721.10-116,327,384.20

Finding the Fourth Proportional to 193,169,816.20, 289,768,721.10 and 116,327,384.20

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Solution

The fourth proportional to 193,169,816.20, 289,768,721.10 and 116,327,384.20 is: 174,499,505.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,169,816.20 : 289,768,721.10 = 116,327,384.20 : x
  2. Step 2: Convert to fraction form
    193,169,816.20/289,768,721.10 = 116,327,384.20/x
  3. Step 3: Cross multiply
    193,169,816.20x = 289,768,721.10 × 116,327,384.20
  4. Step 4: Simplify right side
    193,169,816.20x = 33,708,037,348,542,352
  5. Step 5: Solve for x
    x = 33,708,037,348,542,352/193,169,816.20
  6. Step 6: Final answer
    x = 174,499,505.21

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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.