Home / 328,427,414.10-453,231,032.58-177,720,071.22

Finding the Fourth Proportional to 328,427,414.10, 453,231,032.58 and 177,720,071.22

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Solution

The fourth proportional to 328,427,414.10, 453,231,032.58 and 177,720,071.22 is: 245,254,348.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,427,414.10 : 453,231,032.58 = 177,720,071.22 : x
  2. Step 2: Convert to fraction form
    328,427,414.10/453,231,032.58 = 177,720,071.22/x
  3. Step 3: Cross multiply
    328,427,414.10x = 453,231,032.58 × 177,720,071.22
  4. Step 4: Simplify right side
    328,427,414.10x = 80,548,251,389,231,744
  5. Step 5: Solve for x
    x = 80,548,251,389,231,744/328,427,414.10
  6. Step 6: Final answer
    x = 245,254,348.24

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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.