Home / 92,239,789.86-138,359,947.46-26,666,265.76

Finding the Fourth Proportional to 92,239,789.86, 138,359,947.46 and 26,666,265.76

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Solution

The fourth proportional to 92,239,789.86, 138,359,947.46 and 26,666,265.76 is: 39,999,474.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,239,789.86 : 138,359,947.46 = 26,666,265.76 : x
  2. Step 2: Convert to fraction form
    92,239,789.86/138,359,947.46 = 26,666,265.76/x
  3. Step 3: Cross multiply
    92,239,789.86x = 138,359,947.46 × 26,666,265.76
  4. Step 4: Simplify right side
    92,239,789.86x = 3,689,543,129,507,997.50
  5. Step 5: Solve for x
    x = 3,689,543,129,507,997.50/92,239,789.86
  6. Step 6: Final answer
    x = 39,999,474.58

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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.