Home / 81,458,951.20-122,093,948.40-32,904,926.80

Finding the Fourth Proportional to 81,458,951.20, 122,093,948.40 and 32,904,926.80

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Solution

The fourth proportional to 81,458,951.20, 122,093,948.40 and 32,904,926.80 is: 49,319,226.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,458,951.20 : 122,093,948.40 = 32,904,926.80 : x
  2. Step 2: Convert to fraction form
    81,458,951.20/122,093,948.40 = 32,904,926.80/x
  3. Step 3: Cross multiply
    81,458,951.20x = 122,093,948.40 × 32,904,926.80
  4. Step 4: Simplify right side
    81,458,951.20x = 4,017,492,434,824,977.50
  5. Step 5: Solve for x
    x = 4,017,492,434,824,977.50/81,458,951.20
  6. Step 6: Final answer
    x = 49,319,226.13

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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.