Home / 312,092,699.41-467,487,602.85-187,199,243.21

Finding the Fourth Proportional to 312,092,699.41, 467,487,602.85 and 187,199,243.21

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Solution

The fourth proportional to 312,092,699.41, 467,487,602.85 and 187,199,243.21 is: 280,408,114.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,092,699.41 : 467,487,602.85 = 187,199,243.21 : x
  2. Step 2: Convert to fraction form
    312,092,699.41/467,487,602.85 = 187,199,243.21/x
  3. Step 3: Cross multiply
    312,092,699.41x = 467,487,602.85 × 187,199,243.21
  4. Step 4: Simplify right side
    312,092,699.41x = 87,513,325,463,449,952
  5. Step 5: Solve for x
    x = 87,513,325,463,449,952/312,092,699.41
  6. Step 6: Final answer
    x = 280,408,114.74

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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.