Home / 87,221,472.40-120,366,439.05-48,064,650.37

Finding the Fourth Proportional to 87,221,472.40, 120,366,439.05 and 48,064,650.37

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Solution

The fourth proportional to 87,221,472.40, 120,366,439.05 and 48,064,650.37 is: 66,329,662.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,221,472.40 : 120,366,439.05 = 48,064,650.37 : x
  2. Step 2: Convert to fraction form
    87,221,472.40/120,366,439.05 = 48,064,650.37/x
  3. Step 3: Cross multiply
    87,221,472.40x = 120,366,439.05 × 48,064,650.37
  4. Step 4: Simplify right side
    87,221,472.40x = 5,785,370,809,220,164
  5. Step 5: Solve for x
    x = 5,785,370,809,220,164/87,221,472.40
  6. Step 6: Final answer
    x = 66,329,662.30

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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.