Home / 113,245,648.25-156,276,545.11-65,562,913.43

Finding the Fourth Proportional to 113,245,648.25, 156,276,545.11 and 65,562,913.43

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Solution

The fourth proportional to 113,245,648.25, 156,276,545.11 and 65,562,913.43 is: 90,475,402.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,245,648.25 : 156,276,545.11 = 65,562,913.43 : x
  2. Step 2: Convert to fraction form
    113,245,648.25/156,276,545.11 = 65,562,913.43/x
  3. Step 3: Cross multiply
    113,245,648.25x = 156,276,545.11 × 65,562,913.43
  4. Step 4: Simplify right side
    113,245,648.25x = 10,245,945,598,186,420
  5. Step 5: Solve for x
    x = 10,245,945,598,186,420/113,245,648.25
  6. Step 6: Final answer
    x = 90,475,402.42

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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.