Home / 65,457,234.90-98,170,105.95-20,019,423.06

Finding the Fourth Proportional to 65,457,234.90, 98,170,105.95 and 20,019,423.06

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Solution

The fourth proportional to 65,457,234.90, 98,170,105.95 and 20,019,423.06 is: 30,024,318.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,457,234.90 : 98,170,105.95 = 20,019,423.06 : x
  2. Step 2: Convert to fraction form
    65,457,234.90/98,170,105.95 = 20,019,423.06/x
  3. Step 3: Cross multiply
    65,457,234.90x = 98,170,105.95 × 20,019,423.06
  4. Step 4: Simplify right side
    65,457,234.90x = 1,965,308,882,858,073.25
  5. Step 5: Solve for x
    x = 1,965,308,882,858,073.25/65,457,234.90
  6. Step 6: Final answer
    x = 30,024,318.72

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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.