Home / 102,458,640.15-141,392,500.70-55,415,766.15

Finding the Fourth Proportional to 102,458,640.15, 141,392,500.70 and 55,415,766.15

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Solution

The fourth proportional to 102,458,640.15, 141,392,500.70 and 55,415,766.15 is: 76,473,528.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,458,640.15 : 141,392,500.70 = 55,415,766.15 : x
  2. Step 2: Convert to fraction form
    102,458,640.15/141,392,500.70 = 55,415,766.15/x
  3. Step 3: Cross multiply
    102,458,640.15x = 141,392,500.70 × 55,415,766.15
  4. Step 4: Simplify right side
    102,458,640.15x = 7,835,373,753,877,832
  5. Step 5: Solve for x
    x = 7,835,373,753,877,832/102,458,640.15
  6. Step 6: Final answer
    x = 76,473,528.66

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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.