Home / 189,552,003.70-284,328,005.55-87,515,331.70

Finding the Fourth Proportional to 189,552,003.70, 284,328,005.55 and 87,515,331.70

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Solution

The fourth proportional to 189,552,003.70, 284,328,005.55 and 87,515,331.70 is: 131,272,997.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,552,003.70 : 284,328,005.55 = 87,515,331.70 : x
  2. Step 2: Convert to fraction form
    189,552,003.70/284,328,005.55 = 87,515,331.70/x
  3. Step 3: Cross multiply
    189,552,003.70x = 284,328,005.55 × 87,515,331.70
  4. Step 4: Simplify right side
    189,552,003.70x = 24,883,059,717,307,692
  5. Step 5: Solve for x
    x = 24,883,059,717,307,692/189,552,003.70
  6. Step 6: Final answer
    x = 131,272,997.55

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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.