Home / 191,609,654.12-287,410,354.53-53,431,579.65

Finding the Fourth Proportional to 191,609,654.12, 287,410,354.53 and 53,431,579.65

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Solution

The fourth proportional to 191,609,654.12, 287,410,354.53 and 53,431,579.65 is: 80,146,218.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,609,654.12 : 287,410,354.53 = 53,431,579.65 : x
  2. Step 2: Convert to fraction form
    191,609,654.12/287,410,354.53 = 53,431,579.65/x
  3. Step 3: Cross multiply
    191,609,654.12x = 287,410,354.53 × 53,431,579.65
  4. Step 4: Simplify right side
    191,609,654.12x = 15,356,789,250,304,432
  5. Step 5: Solve for x
    x = 15,356,789,250,304,432/191,609,654.12
  6. Step 6: Final answer
    x = 80,146,218.73

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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.