Home / 71,383,239.56-98,509,461.09-38,788,191.56

Finding the Fourth Proportional to 71,383,239.56, 98,509,461.09 and 38,788,191.56

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Solution

The fourth proportional to 71,383,239.56, 98,509,461.09 and 38,788,191.56 is: 53,528,025.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,383,239.56 : 98,509,461.09 = 38,788,191.56 : x
  2. Step 2: Convert to fraction form
    71,383,239.56/98,509,461.09 = 38,788,191.56/x
  3. Step 3: Cross multiply
    71,383,239.56x = 98,509,461.09 × 38,788,191.56
  4. Step 4: Simplify right side
    71,383,239.56x = 3,821,003,847,332,104.50
  5. Step 5: Solve for x
    x = 3,821,003,847,332,104.50/71,383,239.56
  6. Step 6: Final answer
    x = 53,528,025.22

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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.