Home / 65,412,145.48-90,264,693.48-36,041,834.44

Finding the Fourth Proportional to 65,412,145.48, 90,264,693.48 and 36,041,834.44

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Solution

The fourth proportional to 65,412,145.48, 90,264,693.48 and 36,041,834.44 is: 49,735,490.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,412,145.48 : 90,264,693.48 = 36,041,834.44 : x
  2. Step 2: Convert to fraction form
    65,412,145.48/90,264,693.48 = 36,041,834.44/x
  3. Step 3: Cross multiply
    65,412,145.48x = 90,264,693.48 × 36,041,834.44
  4. Step 4: Simplify right side
    65,412,145.48x = 3,253,305,138,183,507.50
  5. Step 5: Solve for x
    x = 3,253,305,138,183,507.50/65,412,145.48
  6. Step 6: Final answer
    x = 49,735,490.47

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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.