Home / 168,436,167.40-252,654,251.10-53,429,710.60

Finding the Fourth Proportional to 168,436,167.40, 252,654,251.10 and 53,429,710.60

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Solution

The fourth proportional to 168,436,167.40, 252,654,251.10 and 53,429,710.60 is: 80,144,565.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,436,167.40 : 252,654,251.10 = 53,429,710.60 : x
  2. Step 2: Convert to fraction form
    168,436,167.40/252,654,251.10 = 53,429,710.60/x
  3. Step 3: Cross multiply
    168,436,167.40x = 252,654,251.10 × 53,429,710.60
  4. Step 4: Simplify right side
    168,436,167.40x = 13,499,243,518,132,732
  5. Step 5: Solve for x
    x = 13,499,243,518,132,732/168,436,167.40
  6. Step 6: Final answer
    x = 80,144,565.90

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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.