Home / 328,427,487.87-453,231,134.01-177,720,144.45

Finding the Fourth Proportional to 328,427,487.87, 453,231,134.01 and 177,720,144.45

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Solution

The fourth proportional to 328,427,487.87, 453,231,134.01 and 177,720,144.45 is: 245,254,449.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,427,487.87 : 453,231,134.01 = 177,720,144.45 : x
  2. Step 2: Convert to fraction form
    328,427,487.87/453,231,134.01 = 177,720,144.45/x
  3. Step 3: Cross multiply
    328,427,487.87x = 453,231,134.01 × 177,720,144.45
  4. Step 4: Simplify right side
    328,427,487.87x = 80,548,302,605,494,496
  5. Step 5: Solve for x
    x = 80,548,302,605,494,496/328,427,487.87
  6. Step 6: Final answer
    x = 245,254,449.10

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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.