Home / 80,198,568.72-110,674,237.41-43,529,139.72

Finding the Fourth Proportional to 80,198,568.72, 110,674,237.41 and 43,529,139.72

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Solution

The fourth proportional to 80,198,568.72, 110,674,237.41 and 43,529,139.72 is: 60,070,328.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,198,568.72 : 110,674,237.41 = 43,529,139.72 : x
  2. Step 2: Convert to fraction form
    80,198,568.72/110,674,237.41 = 43,529,139.72/x
  3. Step 3: Cross multiply
    80,198,568.72x = 110,674,237.41 × 43,529,139.72
  4. Step 4: Simplify right side
    80,198,568.72x = 4,817,554,343,624,341
  5. Step 5: Solve for x
    x = 4,817,554,343,624,341/80,198,568.72
  6. Step 6: Final answer
    x = 60,070,328.19

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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.