Home / 89,003,048.22-122,818,360.05-49,835,846.70

Finding the Fourth Proportional to 89,003,048.22, 122,818,360.05 and 49,835,846.70

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Solution

The fourth proportional to 89,003,048.22, 122,818,360.05 and 49,835,846.70 is: 68,770,194.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,003,048.22 : 122,818,360.05 = 49,835,846.70 : x
  2. Step 2: Convert to fraction form
    89,003,048.22/122,818,360.05 = 49,835,846.70/x
  3. Step 3: Cross multiply
    89,003,048.22x = 122,818,360.05 × 49,835,846.70
  4. Step 4: Simplify right side
    89,003,048.22x = 6,120,756,963,397,205
  5. Step 5: Solve for x
    x = 6,120,756,963,397,205/89,003,048.22
  6. Step 6: Final answer
    x = 68,770,194.79

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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.