Home / 84,248,622.45-126,372,933.68-69,887,905.65

Finding the Fourth Proportional to 84,248,622.45, 126,372,933.68 and 69,887,905.65

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Solution

The fourth proportional to 84,248,622.45, 126,372,933.68 and 69,887,905.65 is: 104,831,858.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,248,622.45 : 126,372,933.68 = 69,887,905.65 : x
  2. Step 2: Convert to fraction form
    84,248,622.45/126,372,933.68 = 69,887,905.65/x
  3. Step 3: Cross multiply
    84,248,622.45x = 126,372,933.68 × 69,887,905.65
  4. Step 4: Simplify right side
    84,248,622.45x = 8,831,939,665,392,108
  5. Step 5: Solve for x
    x = 8,831,939,665,392,108/84,248,622.45
  6. Step 6: Final answer
    x = 104,831,858.48

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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.