Home / 139,957,269.60-209,921,729.94-37,731,640.80

Finding the Fourth Proportional to 139,957,269.60, 209,921,729.94 and 37,731,640.80

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Solution

The fourth proportional to 139,957,269.60, 209,921,729.94 and 37,731,640.80 is: 56,593,639.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,957,269.60 : 209,921,729.94 = 37,731,640.80 : x
  2. Step 2: Convert to fraction form
    139,957,269.60/209,921,729.94 = 37,731,640.80/x
  3. Step 3: Cross multiply
    139,957,269.60x = 209,921,729.94 × 37,731,640.80
  4. Step 4: Simplify right side
    139,957,269.60x = 7,920,691,310,210,685
  5. Step 5: Solve for x
    x = 7,920,691,310,210,685/139,957,269.60
  6. Step 6: Final answer
    x = 56,593,639.85

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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.