Home / 118,096,228.80-177,144,343.20-87,863,140.80

Finding the Fourth Proportional to 118,096,228.80, 177,144,343.20 and 87,863,140.80

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Solution

The fourth proportional to 118,096,228.80, 177,144,343.20 and 87,863,140.80 is: 131,794,711.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,096,228.80 : 177,144,343.20 = 87,863,140.80 : x
  2. Step 2: Convert to fraction form
    118,096,228.80/177,144,343.20 = 87,863,140.80/x
  3. Step 3: Cross multiply
    118,096,228.80x = 177,144,343.20 × 87,863,140.80
  4. Step 4: Simplify right side
    118,096,228.80x = 15,564,458,368,505,120
  5. Step 5: Solve for x
    x = 15,564,458,368,505,120/118,096,228.80
  6. Step 6: Final answer
    x = 131,794,711.20

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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.