Home / 68,083,120.92-102,140,821.44-19,559,802

Finding the Fourth Proportional to 68,083,120.92, 102,140,821.44 and 19,559,802

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Solution

The fourth proportional to 68,083,120.92, 102,140,821.44 and 19,559,802 is: 29,344,339.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,083,120.92 : 102,140,821.44 = 19,559,802 : x
  2. Step 2: Convert to fraction form
    68,083,120.92/102,140,821.44 = 19,559,802/x
  3. Step 3: Cross multiply
    68,083,120.92x = 102,140,821.44 × 19,559,802
  4. Step 4: Simplify right side
    68,083,120.92x = 1,997,854,243,483,754.75
  5. Step 5: Solve for x
    x = 1,997,854,243,483,754.75/68,083,120.92
  6. Step 6: Final answer
    x = 29,344,339.93

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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.