Home / 328,427,463.40-453,231,100.14-177,720,119.94

Finding the Fourth Proportional to 328,427,463.40, 453,231,100.14 and 177,720,119.94

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Solution

The fourth proportional to 328,427,463.40, 453,231,100.14 and 177,720,119.94 is: 245,254,415.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,427,463.40 : 453,231,100.14 = 177,720,119.94 : x
  2. Step 2: Convert to fraction form
    328,427,463.40/453,231,100.14 = 177,720,119.94/x
  3. Step 3: Cross multiply
    328,427,463.40x = 453,231,100.14 × 177,720,119.94
  4. Step 4: Simplify right side
    328,427,463.40x = 80,548,285,477,418,944
  5. Step 5: Solve for x
    x = 80,548,285,477,418,944/328,427,463.40
  6. Step 6: Final answer
    x = 245,254,415.22

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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.