Home / 156,870,019.70-235,305,029.55-80,167,555.70

Finding the Fourth Proportional to 156,870,019.70, 235,305,029.55 and 80,167,555.70

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Solution

The fourth proportional to 156,870,019.70, 235,305,029.55 and 80,167,555.70 is: 120,251,333.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,870,019.70 : 235,305,029.55 = 80,167,555.70 : x
  2. Step 2: Convert to fraction form
    156,870,019.70/235,305,029.55 = 80,167,555.70/x
  3. Step 3: Cross multiply
    156,870,019.70x = 235,305,029.55 × 80,167,555.70
  4. Step 4: Simplify right side
    156,870,019.70x = 18,863,829,062,939,772
  5. Step 5: Solve for x
    x = 18,863,829,062,939,772/156,870,019.70
  6. Step 6: Final answer
    x = 120,251,333.55

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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.