Home / 121,432,533-182,147,191.68-29,315,774.64

Finding the Fourth Proportional to 121,432,533, 182,147,191.68 and 29,315,774.64

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Solution

The fourth proportional to 121,432,533, 182,147,191.68 and 29,315,774.64 is: 43,973,273.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,432,533 : 182,147,191.68 = 29,315,774.64 : x
  2. Step 2: Convert to fraction form
    121,432,533/182,147,191.68 = 29,315,774.64/x
  3. Step 3: Cross multiply
    121,432,533x = 182,147,191.68 × 29,315,774.64
  4. Step 4: Simplify right side
    121,432,533x = 5,339,786,022,599,763
  5. Step 5: Solve for x
    x = 5,339,786,022,599,763/121,432,533
  6. Step 6: Final answer
    x = 43,973,273.81

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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.