Home / 189,612,895.80-284,419,343.76-53,298,279.30

Finding the Fourth Proportional to 189,612,895.80, 284,419,343.76 and 53,298,279.30

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Solution

The fourth proportional to 189,612,895.80, 284,419,343.76 and 53,298,279.30 is: 79,947,418.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,612,895.80 : 284,419,343.76 = 53,298,279.30 : x
  2. Step 2: Convert to fraction form
    189,612,895.80/284,419,343.76 = 53,298,279.30/x
  3. Step 3: Cross multiply
    189,612,895.80x = 284,419,343.76 × 53,298,279.30
  4. Step 4: Simplify right side
    189,612,895.80x = 15,159,061,622,043,190
  5. Step 5: Solve for x
    x = 15,159,061,622,043,190/189,612,895.80
  6. Step 6: Final answer
    x = 79,947,418.97

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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.