Home / 90,989,033.70-136,483,550.55-60,378,032.10

Finding the Fourth Proportional to 90,989,033.70, 136,483,550.55 and 60,378,032.10

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Solution

The fourth proportional to 90,989,033.70, 136,483,550.55 and 60,378,032.10 is: 90,567,048.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,989,033.70 : 136,483,550.55 = 60,378,032.10 : x
  2. Step 2: Convert to fraction form
    90,989,033.70/136,483,550.55 = 60,378,032.10/x
  3. Step 3: Cross multiply
    90,989,033.70x = 136,483,550.55 × 60,378,032.10
  4. Step 4: Simplify right side
    90,989,033.70x = 8,240,608,196,229,874
  5. Step 5: Solve for x
    x = 8,240,608,196,229,874/90,989,033.70
  6. Step 6: Final answer
    x = 90,567,048.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.