Home / 68,619,782.70-103,009,390.20-41,356,859.40

Finding the Fourth Proportional to 68,619,782.70, 103,009,390.20 and 41,356,859.40

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Solution

The fourth proportional to 68,619,782.70, 103,009,390.20 and 41,356,859.40 is: 62,083,333.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,619,782.70 : 103,009,390.20 = 41,356,859.40 : x
  2. Step 2: Convert to fraction form
    68,619,782.70/103,009,390.20 = 41,356,859.40/x
  3. Step 3: Cross multiply
    68,619,782.70x = 103,009,390.20 × 41,356,859.40
  4. Step 4: Simplify right side
    68,619,782.70x = 4,260,144,867,381,138
  5. Step 5: Solve for x
    x = 4,260,144,867,381,138/68,619,782.70
  6. Step 6: Final answer
    x = 62,083,333.69

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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.