Home / 317,022,342.40-437,494,001.60-177,790,114.80

Finding the Fourth Proportional to 317,022,342.40, 437,494,001.60 and 177,790,114.80

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Solution

The fourth proportional to 317,022,342.40, 437,494,001.60 and 177,790,114.80 is: 245,352,135.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,022,342.40 : 437,494,001.60 = 177,790,114.80 : x
  2. Step 2: Convert to fraction form
    317,022,342.40/437,494,001.60 = 177,790,114.80/x
  3. Step 3: Cross multiply
    317,022,342.40x = 437,494,001.60 × 177,790,114.80
  4. Step 4: Simplify right side
    317,022,342.40x = 77,782,108,768,775,392
  5. Step 5: Solve for x
    x = 77,782,108,768,775,392/317,022,342.40
  6. Step 6: Final answer
    x = 245,352,135.69

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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.