Home / 66,014,310.96-98,981,091.26-31,481,274.78

Finding the Fourth Proportional to 66,014,310.96, 98,981,091.26 and 31,481,274.78

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Solution

The fourth proportional to 66,014,310.96, 98,981,091.26 and 31,481,274.78 is: 47,202,657.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,014,310.96 : 98,981,091.26 = 31,481,274.78 : x
  2. Step 2: Convert to fraction form
    66,014,310.96/98,981,091.26 = 31,481,274.78/x
  3. Step 3: Cross multiply
    66,014,310.96x = 98,981,091.26 × 31,481,274.78
  4. Step 4: Simplify right side
    66,014,310.96x = 3,116,050,931,980,316.50
  5. Step 5: Solve for x
    x = 3,116,050,931,980,316.50/66,014,310.96
  6. Step 6: Final answer
    x = 47,202,657.83

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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.