Home / 68,262,640.21-102,395,868.10-22,204,509.45

Finding the Fourth Proportional to 68,262,640.21, 102,395,868.10 and 22,204,509.45

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Solution

The fourth proportional to 68,262,640.21, 102,395,868.10 and 22,204,509.45 is: 33,307,384.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,262,640.21 : 102,395,868.10 = 22,204,509.45 : x
  2. Step 2: Convert to fraction form
    68,262,640.21/102,395,868.10 = 22,204,509.45/x
  3. Step 3: Cross multiply
    68,262,640.21x = 102,395,868.10 × 22,204,509.45
  4. Step 4: Simplify right side
    68,262,640.21x = 2,273,650,020,867,403.50
  5. Step 5: Solve for x
    x = 2,273,650,020,867,403.50/68,262,640.21
  6. Step 6: Final answer
    x = 33,307,384.74

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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.