Home / 65,239,976.70-97,859,965.05-43,740,891.90

Finding the Fourth Proportional to 65,239,976.70, 97,859,965.05 and 43,740,891.90

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Solution

The fourth proportional to 65,239,976.70, 97,859,965.05 and 43,740,891.90 is: 65,611,337.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,239,976.70 : 97,859,965.05 = 43,740,891.90 : x
  2. Step 2: Convert to fraction form
    65,239,976.70/97,859,965.05 = 43,740,891.90/x
  3. Step 3: Cross multiply
    65,239,976.70x = 97,859,965.05 × 43,740,891.90
  4. Step 4: Simplify right side
    65,239,976.70x = 4,280,482,152,589,828
  5. Step 5: Solve for x
    x = 4,280,482,152,589,828/65,239,976.70
  6. Step 6: Final answer
    x = 65,611,337.85

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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.