Home / 77,367,611.70-115,918,707.15-36,890,939.70

Finding the Fourth Proportional to 77,367,611.70, 115,918,707.15 and 36,890,939.70

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Solution

The fourth proportional to 77,367,611.70, 115,918,707.15 and 36,890,939.70 is: 55,273,129.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,367,611.70 : 115,918,707.15 = 36,890,939.70 : x
  2. Step 2: Convert to fraction form
    77,367,611.70/115,918,707.15 = 36,890,939.70/x
  3. Step 3: Cross multiply
    77,367,611.70x = 115,918,707.15 × 36,890,939.70
  4. Step 4: Simplify right side
    77,367,611.70x = 4,276,350,035,572,609.50
  5. Step 5: Solve for x
    x = 4,276,350,035,572,609.50/77,367,611.70
  6. Step 6: Final answer
    x = 55,273,129.69

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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.