Home / 85,293,827.58-117,695,366.82-48,121,940.80

Finding the Fourth Proportional to 85,293,827.58, 117,695,366.82 and 48,121,940.80

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Solution

The fourth proportional to 85,293,827.58, 117,695,366.82 and 48,121,940.80 is: 66,402,571.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,293,827.58 : 117,695,366.82 = 48,121,940.80 : x
  2. Step 2: Convert to fraction form
    85,293,827.58/117,695,366.82 = 48,121,940.80/x
  3. Step 3: Cross multiply
    85,293,827.58x = 117,695,366.82 × 48,121,940.80
  4. Step 4: Simplify right side
    85,293,827.58x = 5,663,729,474,693,679
  5. Step 5: Solve for x
    x = 5,663,729,474,693,679/85,293,827.58
  6. Step 6: Final answer
    x = 66,402,571.38

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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.