Home / 101,189,031.70-139,640,910.45-54,779,285.61

Finding the Fourth Proportional to 101,189,031.70, 139,640,910.45 and 54,779,285.61

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Solution

The fourth proportional to 101,189,031.70, 139,640,910.45 and 54,779,285.61 is: 75,595,439.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,189,031.70 : 139,640,910.45 = 54,779,285.61 : x
  2. Step 2: Convert to fraction form
    101,189,031.70/139,640,910.45 = 54,779,285.61/x
  3. Step 3: Cross multiply
    101,189,031.70x = 139,640,910.45 × 54,779,285.61
  4. Step 4: Simplify right side
    101,189,031.70x = 7,649,429,316,380,983
  5. Step 5: Solve for x
    x = 7,649,429,316,380,983/101,189,031.70
  6. Step 6: Final answer
    x = 75,595,439.43

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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.