Home / 271,980,021.60-408,064,510.80-118,736,056.80

Finding the Fourth Proportional to 271,980,021.60, 408,064,510.80 and 118,736,056.80

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Solution

The fourth proportional to 271,980,021.60, 408,064,510.80 and 118,736,056.80 is: 178,145,330.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,980,021.60 : 408,064,510.80 = 118,736,056.80 : x
  2. Step 2: Convert to fraction form
    271,980,021.60/408,064,510.80 = 118,736,056.80/x
  3. Step 3: Cross multiply
    271,980,021.60x = 408,064,510.80 × 118,736,056.80
  4. Step 4: Simplify right side
    271,980,021.60x = 48,451,970,932,413,016
  5. Step 5: Solve for x
    x = 48,451,970,932,413,016/271,980,021.60
  6. Step 6: Final answer
    x = 178,145,330.85

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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.