Home / 328,427,499.37-453,231,149.88-177,720,155.95

Finding the Fourth Proportional to 328,427,499.37, 453,231,149.88 and 177,720,155.95

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Solution

The fourth proportional to 328,427,499.37, 453,231,149.88 and 177,720,155.95 is: 245,254,464.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,427,499.37 : 453,231,149.88 = 177,720,155.95 : x
  2. Step 2: Convert to fraction form
    328,427,499.37/453,231,149.88 = 177,720,155.95/x
  3. Step 3: Cross multiply
    328,427,499.37x = 453,231,149.88 × 177,720,155.95
  4. Step 4: Simplify right side
    328,427,499.37x = 80,548,310,638,071,424
  5. Step 5: Solve for x
    x = 80,548,310,638,071,424/328,427,499.37
  6. Step 6: Final answer
    x = 245,254,464.97

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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.