Home / 311,068,637.62-429,278,309.31-171,836,480.50

Finding the Fourth Proportional to 311,068,637.62, 429,278,309.31 and 171,836,480.50

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Solution

The fourth proportional to 311,068,637.62, 429,278,309.31 and 171,836,480.50 is: 237,136,325.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,068,637.62 : 429,278,309.31 = 171,836,480.50 : x
  2. Step 2: Convert to fraction form
    311,068,637.62/429,278,309.31 = 171,836,480.50/x
  3. Step 3: Cross multiply
    311,068,637.62x = 429,278,309.31 × 171,836,480.50
  4. Step 4: Simplify right side
    311,068,637.62x = 73,765,673,826,391,984
  5. Step 5: Solve for x
    x = 73,765,673,826,391,984/311,068,637.62
  6. Step 6: Final answer
    x = 237,136,325.90

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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.