Home / 190,035,704.20-284,938,082.70-74,887,529.80

Finding the Fourth Proportional to 190,035,704.20, 284,938,082.70 and 74,887,529.80

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Solution

The fourth proportional to 190,035,704.20, 284,938,082.70 and 74,887,529.80 is: 112,285,789.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,035,704.20 : 284,938,082.70 = 74,887,529.80 : x
  2. Step 2: Convert to fraction form
    190,035,704.20/284,938,082.70 = 74,887,529.80/x
  3. Step 3: Cross multiply
    190,035,704.20x = 284,938,082.70 × 74,887,529.80
  4. Step 4: Simplify right side
    190,035,704.20x = 21,338,309,159,351,112
  5. Step 5: Solve for x
    x = 21,338,309,159,351,112/190,035,704.20
  6. Step 6: Final answer
    x = 112,285,789.92

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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.