Home / 226,139,835.81-312,080,542.76-125,672,507.32

Finding the Fourth Proportional to 226,139,835.81, 312,080,542.76 and 125,672,507.32

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Solution

The fourth proportional to 226,139,835.81, 312,080,542.76 and 125,672,507.32 is: 173,432,266.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,139,835.81 : 312,080,542.76 = 125,672,507.32 : x
  2. Step 2: Convert to fraction form
    226,139,835.81/312,080,542.76 = 125,672,507.32/x
  3. Step 3: Cross multiply
    226,139,835.81x = 312,080,542.76 × 125,672,507.32
  4. Step 4: Simplify right side
    226,139,835.81x = 39,219,944,294,435,672
  5. Step 5: Solve for x
    x = 39,219,944,294,435,672/226,139,835.81
  6. Step 6: Final answer
    x = 173,432,266.61

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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.