Home / 57,837,792.70-79,816,968.30-31,731,836.14

Finding the Fourth Proportional to 57,837,792.70, 79,816,968.30 and 31,731,836.14

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Solution

The fourth proportional to 57,837,792.70, 79,816,968.30 and 31,731,836.14 is: 43,790,380.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,837,792.70 : 79,816,968.30 = 31,731,836.14 : x
  2. Step 2: Convert to fraction form
    57,837,792.70/79,816,968.30 = 31,731,836.14/x
  3. Step 3: Cross multiply
    57,837,792.70x = 79,816,968.30 × 31,731,836.14
  4. Step 4: Simplify right side
    57,837,792.70x = 2,532,738,959,287,174.50
  5. Step 5: Solve for x
    x = 2,532,738,959,287,174.50/57,837,792.70
  6. Step 6: Final answer
    x = 43,790,380.67

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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.