Home / 65,416,123.43-90,274,855.76-36,048,506.96

Finding the Fourth Proportional to 65,416,123.43, 90,274,855.76 and 36,048,506.96

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Solution

The fourth proportional to 65,416,123.43, 90,274,855.76 and 36,048,506.96 is: 49,747,273.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,416,123.43 : 90,274,855.76 = 36,048,506.96 : x
  2. Step 2: Convert to fraction form
    65,416,123.43/90,274,855.76 = 36,048,506.96/x
  3. Step 3: Cross multiply
    65,416,123.43x = 90,274,855.76 × 36,048,506.96
  4. Step 4: Simplify right side
    65,416,123.43x = 3,254,273,766,357,982.50
  5. Step 5: Solve for x
    x = 3,254,273,766,357,982.50/65,416,123.43
  6. Step 6: Final answer
    x = 49,747,273.24

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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.