Home / 143,856,111.60-215,536,161.60-67,021,552.80

Finding the Fourth Proportional to 143,856,111.60, 215,536,161.60 and 67,021,552.80

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Solution

The fourth proportional to 143,856,111.60, 215,536,161.60 and 67,021,552.80 is: 100,416,785.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,856,111.60 : 215,536,161.60 = 67,021,552.80 : x
  2. Step 2: Convert to fraction form
    143,856,111.60/215,536,161.60 = 67,021,552.80/x
  3. Step 3: Cross multiply
    143,856,111.60x = 215,536,161.60 × 67,021,552.80
  4. Step 4: Simplify right side
    143,856,111.60x = 14,445,568,234,983,732
  5. Step 5: Solve for x
    x = 14,445,568,234,983,732/143,856,111.60
  6. Step 6: Final answer
    x = 100,416,785.04

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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.