Home / 231,996,908.88-347,920,932.42-76,515,762.15

Finding the Fourth Proportional to 231,996,908.88, 347,920,932.42 and 76,515,762.15

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Solution

The fourth proportional to 231,996,908.88, 347,920,932.42 and 76,515,762.15 is: 114,749,094.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,996,908.88 : 347,920,932.42 = 76,515,762.15 : x
  2. Step 2: Convert to fraction form
    231,996,908.88/347,920,932.42 = 76,515,762.15/x
  3. Step 3: Cross multiply
    231,996,908.88x = 347,920,932.42 × 76,515,762.15
  4. Step 4: Simplify right side
    231,996,908.88x = 26,621,435,312,054,948
  5. Step 5: Solve for x
    x = 26,621,435,312,054,948/231,996,908.88
  6. Step 6: Final answer
    x = 114,749,094.89

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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.