Home / 106,156,580.57-146,370,730.25-72,682,291.98

Finding the Fourth Proportional to 106,156,580.57, 146,370,730.25 and 72,682,291.98

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Solution

The fourth proportional to 106,156,580.57, 146,370,730.25 and 72,682,291.98 is: 100,215,738.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,156,580.57 : 146,370,730.25 = 72,682,291.98 : x
  2. Step 2: Convert to fraction form
    106,156,580.57/146,370,730.25 = 72,682,291.98/x
  3. Step 3: Cross multiply
    106,156,580.57x = 146,370,730.25 × 72,682,291.98
  4. Step 4: Simplify right side
    106,156,580.57x = 10,638,560,153,538,024
  5. Step 5: Solve for x
    x = 10,638,560,153,538,024/106,156,580.57
  6. Step 6: Final answer
    x = 100,215,738.83

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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.