Home / 245,317,893.26-338,538,693.80-133,808,728.32

Finding the Fourth Proportional to 245,317,893.26, 338,538,693.80 and 133,808,728.32

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Solution

The fourth proportional to 245,317,893.26, 338,538,693.80 and 133,808,728.32 is: 184,656,045.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,317,893.26 : 338,538,693.80 = 133,808,728.32 : x
  2. Step 2: Convert to fraction form
    245,317,893.26/338,538,693.80 = 133,808,728.32/x
  3. Step 3: Cross multiply
    245,317,893.26x = 338,538,693.80 × 133,808,728.32
  4. Step 4: Simplify right side
    245,317,893.26x = 45,299,432,104,491,864
  5. Step 5: Solve for x
    x = 45,299,432,104,491,864/245,317,893.26
  6. Step 6: Final answer
    x = 184,656,045.68

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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.