Home / 65,493,119.33-90,378,920.83-36,123,821.00

Finding the Fourth Proportional to 65,493,119.33, 90,378,920.83 and 36,123,821.00

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Solution

The fourth proportional to 65,493,119.33, 90,378,920.83 and 36,123,821.00 is: 49,849,999.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,493,119.33 : 90,378,920.83 = 36,123,821.00 : x
  2. Step 2: Convert to fraction form
    65,493,119.33/90,378,920.83 = 36,123,821.00/x
  3. Step 3: Cross multiply
    65,493,119.33x = 90,378,920.83 × 36,123,821.00
  4. Step 4: Simplify right side
    65,493,119.33x = 3,264,831,957,603,577.50
  5. Step 5: Solve for x
    x = 3,264,831,957,603,577.50/65,493,119.33
  6. Step 6: Final answer
    x = 49,849,999.38

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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.