Home / 251,241,120.18-376,861,816.92-78,731,434.98

Finding the Fourth Proportional to 251,241,120.18, 376,861,816.92 and 78,731,434.98

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Solution

The fourth proportional to 251,241,120.18, 376,861,816.92 and 78,731,434.98 is: 118,097,195.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,241,120.18 : 376,861,816.92 = 78,731,434.98 : x
  2. Step 2: Convert to fraction form
    251,241,120.18/376,861,816.92 = 78,731,434.98/x
  3. Step 3: Cross multiply
    251,241,120.18x = 376,861,816.92 × 78,731,434.98
  4. Step 4: Simplify right side
    251,241,120.18x = 29,670,871,635,281,648
  5. Step 5: Solve for x
    x = 29,670,871,635,281,648/251,241,120.18
  6. Step 6: Final answer
    x = 118,097,195.29

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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.