Home / 317,022,314.40-437,493,962.97-177,790,086.81

Finding the Fourth Proportional to 317,022,314.40, 437,493,962.97 and 177,790,086.81

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Solution

The fourth proportional to 317,022,314.40, 437,493,962.97 and 177,790,086.81 is: 245,352,097.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,022,314.40 : 437,493,962.97 = 177,790,086.81 : x
  2. Step 2: Convert to fraction form
    317,022,314.40/437,493,962.97 = 177,790,086.81/x
  3. Step 3: Cross multiply
    317,022,314.40x = 437,493,962.97 × 177,790,086.81
  4. Step 4: Simplify right side
    317,022,314.40x = 77,782,089,655,287,232
  5. Step 5: Solve for x
    x = 77,782,089,655,287,232/317,022,314.40
  6. Step 6: Final answer
    x = 245,352,097.07

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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.