Home / 156,266,133.24-215,651,223.44-85,704,552.88

Finding the Fourth Proportional to 156,266,133.24, 215,651,223.44 and 85,704,552.88

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Solution

The fourth proportional to 156,266,133.24, 215,651,223.44 and 85,704,552.88 is: 118,274,454.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,266,133.24 : 215,651,223.44 = 85,704,552.88 : x
  2. Step 2: Convert to fraction form
    156,266,133.24/215,651,223.44 = 85,704,552.88/x
  3. Step 3: Cross multiply
    156,266,133.24x = 215,651,223.44 × 85,704,552.88
  4. Step 4: Simplify right side
    156,266,133.24x = 18,482,291,682,950,176
  5. Step 5: Solve for x
    x = 18,482,291,682,950,176/156,266,133.24
  6. Step 6: Final answer
    x = 118,274,454.61

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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.