Home / 251,788,121.55-347,459,459.22-144,515,100.87

Finding the Fourth Proportional to 251,788,121.55, 347,459,459.22 and 144,515,100.87

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Solution

The fourth proportional to 251,788,121.55, 347,459,459.22 and 144,515,100.87 is: 199,426,162.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,788,121.55 : 347,459,459.22 = 144,515,100.87 : x
  2. Step 2: Convert to fraction form
    251,788,121.55/347,459,459.22 = 144,515,100.87/x
  3. Step 3: Cross multiply
    251,788,121.55x = 347,459,459.22 × 144,515,100.87
  4. Step 4: Simplify right side
    251,788,121.55x = 50,213,138,797,413,960
  5. Step 5: Solve for x
    x = 50,213,138,797,413,960/251,788,121.55
  6. Step 6: Final answer
    x = 199,426,162.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.