Home / 79,117,130.60-118,696,691.10-27,993,818.60

Finding the Fourth Proportional to 79,117,130.60, 118,696,691.10 and 27,993,818.60

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Solution

The fourth proportional to 79,117,130.60, 118,696,691.10 and 27,993,818.60 is: 41,998,156.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,117,130.60 : 118,696,691.10 = 27,993,818.60 : x
  2. Step 2: Convert to fraction form
    79,117,130.60/118,696,691.10 = 27,993,818.60/x
  3. Step 3: Cross multiply
    79,117,130.60x = 118,696,691.10 × 27,993,818.60
  4. Step 4: Simplify right side
    79,117,130.60x = 3,322,773,639,073,634.50
  5. Step 5: Solve for x
    x = 3,322,773,639,073,634.50/79,117,130.60
  6. Step 6: Final answer
    x = 41,998,156.58

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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.