Home / 436,147,015.68-654,226,221.96-145,014,138.48

Finding the Fourth Proportional to 436,147,015.68, 654,226,221.96 and 145,014,138.48

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Solution

The fourth proportional to 436,147,015.68, 654,226,221.96 and 145,014,138.48 is: 217,523,102.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,147,015.68 : 654,226,221.96 = 145,014,138.48 : x
  2. Step 2: Convert to fraction form
    436,147,015.68/654,226,221.96 = 145,014,138.48/x
  3. Step 3: Cross multiply
    436,147,015.68x = 654,226,221.96 × 145,014,138.48
  4. Step 4: Simplify right side
    436,147,015.68x = 94,872,051,948,554,656
  5. Step 5: Solve for x
    x = 94,872,051,948,554,656/436,147,015.68
  6. Step 6: Final answer
    x = 217,523,102.39

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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.