Home / 79,117,221.60-118,696,827.60-27,993,909.60

Finding the Fourth Proportional to 79,117,221.60, 118,696,827.60 and 27,993,909.60

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Solution

The fourth proportional to 79,117,221.60, 118,696,827.60 and 27,993,909.60 is: 41,998,293.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,117,221.60 : 118,696,827.60 = 27,993,909.60 : x
  2. Step 2: Convert to fraction form
    79,117,221.60/118,696,827.60 = 27,993,909.60/x
  3. Step 3: Cross multiply
    79,117,221.60x = 118,696,827.60 × 27,993,909.60
  4. Step 4: Simplify right side
    79,117,221.60x = 3,322,788,261,641,185
  5. Step 5: Solve for x
    x = 3,322,788,261,641,185/79,117,221.60
  6. Step 6: Final answer
    x = 41,998,293.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.