Home / 85,690,149.49-118,250,717.31-50,411,767.31

Finding the Fourth Proportional to 85,690,149.49, 118,250,717.31 and 50,411,767.31

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Solution

The fourth proportional to 85,690,149.49, 118,250,717.31 and 50,411,767.31 is: 69,567,245.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,690,149.49 : 118,250,717.31 = 50,411,767.31 : x
  2. Step 2: Convert to fraction form
    85,690,149.49/118,250,717.31 = 50,411,767.31/x
  3. Step 3: Cross multiply
    85,690,149.49x = 118,250,717.31 × 50,411,767.31
  4. Step 4: Simplify right side
    85,690,149.49x = 5,961,227,645,272,310
  5. Step 5: Solve for x
    x = 5,961,227,645,272,310/85,690,149.49
  6. Step 6: Final answer
    x = 69,567,245.25

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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.