Home / 66,426,694.70-99,640,042.05-48,286,841.90

Finding the Fourth Proportional to 66,426,694.70, 99,640,042.05 and 48,286,841.90

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Solution

The fourth proportional to 66,426,694.70, 99,640,042.05 and 48,286,841.90 is: 72,430,262.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,426,694.70 : 99,640,042.05 = 48,286,841.90 : x
  2. Step 2: Convert to fraction form
    66,426,694.70/99,640,042.05 = 48,286,841.90/x
  3. Step 3: Cross multiply
    66,426,694.70x = 99,640,042.05 × 48,286,841.90
  4. Step 4: Simplify right side
    66,426,694.70x = 4,811,302,957,377,702
  5. Step 5: Solve for x
    x = 4,811,302,957,377,702/66,426,694.70
  6. Step 6: Final answer
    x = 72,430,262.85

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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.