Home / 189,043,478.10-283,777,793.55-146,103,045.30

Finding the Fourth Proportional to 189,043,478.10, 283,777,793.55 and 146,103,045.30

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Solution

The fourth proportional to 189,043,478.10, 283,777,793.55 and 146,103,045.30 is: 219,318,858.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,043,478.10 : 283,777,793.55 = 146,103,045.30 : x
  2. Step 2: Convert to fraction form
    189,043,478.10/283,777,793.55 = 146,103,045.30/x
  3. Step 3: Cross multiply
    189,043,478.10x = 283,777,793.55 × 146,103,045.30
  4. Step 4: Simplify right side
    189,043,478.10x = 41,460,799,826,169,704
  5. Step 5: Solve for x
    x = 41,460,799,826,169,704/189,043,478.10
  6. Step 6: Final answer
    x = 219,318,858.51

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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.