Home / 118,673,453.70-178,010,180.55-79,931,404.80

Finding the Fourth Proportional to 118,673,453.70, 178,010,180.55 and 79,931,404.80

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Solution

The fourth proportional to 118,673,453.70, 178,010,180.55 and 79,931,404.80 is: 119,897,107.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,673,453.70 : 178,010,180.55 = 79,931,404.80 : x
  2. Step 2: Convert to fraction form
    118,673,453.70/178,010,180.55 = 79,931,404.80/x
  3. Step 3: Cross multiply
    118,673,453.70x = 178,010,180.55 × 79,931,404.80
  4. Step 4: Simplify right side
    118,673,453.70x = 14,228,603,800,063,138
  5. Step 5: Solve for x
    x = 14,228,603,800,063,138/118,673,453.70
  6. Step 6: Final answer
    x = 119,897,107.20

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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.