Home / 171,936,658.60-257,904,987.90-149,541,778.60

Finding the Fourth Proportional to 171,936,658.60, 257,904,987.90 and 149,541,778.60

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Solution

The fourth proportional to 171,936,658.60, 257,904,987.90 and 149,541,778.60 is: 224,312,667.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,936,658.60 : 257,904,987.90 = 149,541,778.60 : x
  2. Step 2: Convert to fraction form
    171,936,658.60/257,904,987.90 = 149,541,778.60/x
  3. Step 3: Cross multiply
    171,936,658.60x = 257,904,987.90 × 149,541,778.60
  4. Step 4: Simplify right side
    171,936,658.60x = 38,567,570,600,377,480
  5. Step 5: Solve for x
    x = 38,567,570,600,377,480/171,936,658.60
  6. Step 6: Final answer
    x = 224,312,667.90

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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.