Home / 251,241,120.15-376,861,816.92-78,731,434.95

Finding the Fourth Proportional to 251,241,120.15, 376,861,816.92 and 78,731,434.95

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Solution

The fourth proportional to 251,241,120.15, 376,861,816.92 and 78,731,434.95 is: 118,097,195.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,241,120.15 : 376,861,816.92 = 78,731,434.95 : x
  2. Step 2: Convert to fraction form
    251,241,120.15/376,861,816.92 = 78,731,434.95/x
  3. Step 3: Cross multiply
    251,241,120.15x = 376,861,816.92 × 78,731,434.95
  4. Step 4: Simplify right side
    251,241,120.15x = 29,670,871,623,975,792
  5. Step 5: Solve for x
    x = 29,670,871,623,975,792/251,241,120.15
  6. Step 6: Final answer
    x = 118,097,195.26

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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.