Home / 113,086,294.78-156,065,752.94-85,159,734.54

Finding the Fourth Proportional to 113,086,294.78, 156,065,752.94 and 85,159,734.54

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Solution

The fourth proportional to 113,086,294.78, 156,065,752.94 and 85,159,734.54 is: 117,525,453.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,086,294.78 : 156,065,752.94 = 85,159,734.54 : x
  2. Step 2: Convert to fraction form
    113,086,294.78/156,065,752.94 = 85,159,734.54/x
  3. Step 3: Cross multiply
    113,086,294.78x = 156,065,752.94 × 85,159,734.54
  4. Step 4: Simplify right side
    113,086,294.78x = 13,290,518,091,155,626
  5. Step 5: Solve for x
    x = 13,290,518,091,155,626/113,086,294.78
  6. Step 6: Final answer
    x = 117,525,453.61

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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.