Home / 78,691,353.15-118,037,029.73-27,566,728.95

Finding the Fourth Proportional to 78,691,353.15, 118,037,029.73 and 27,566,728.95

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Solution

The fourth proportional to 78,691,353.15, 118,037,029.73 and 27,566,728.95 is: 41,350,093.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,691,353.15 : 118,037,029.73 = 27,566,728.95 : x
  2. Step 2: Convert to fraction form
    78,691,353.15/118,037,029.73 = 27,566,728.95/x
  3. Step 3: Cross multiply
    78,691,353.15x = 118,037,029.73 × 27,566,728.95
  4. Step 4: Simplify right side
    78,691,353.15x = 3,253,894,804,492,168
  5. Step 5: Solve for x
    x = 3,253,894,804,492,168/78,691,353.15
  6. Step 6: Final answer
    x = 41,350,093.43

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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.