Home / 189,612,896.80-284,419,345.26-53,298,280.30

Finding the Fourth Proportional to 189,612,896.80, 284,419,345.26 and 53,298,280.30

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Solution

The fourth proportional to 189,612,896.80, 284,419,345.26 and 53,298,280.30 is: 79,947,420.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,612,896.80 : 284,419,345.26 = 53,298,280.30 : x
  2. Step 2: Convert to fraction form
    189,612,896.80/284,419,345.26 = 53,298,280.30/x
  3. Step 3: Cross multiply
    189,612,896.80x = 284,419,345.26 × 53,298,280.30
  4. Step 4: Simplify right side
    189,612,896.80x = 15,159,061,986,409,956
  5. Step 5: Solve for x
    x = 15,159,061,986,409,956/189,612,896.80
  6. Step 6: Final answer
    x = 79,947,420.47

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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.