Home / 175,435,086.21-242,024,422.55-105,781,771.55

Finding the Fourth Proportional to 175,435,086.21, 242,024,422.55 and 105,781,771.55

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Solution

The fourth proportional to 175,435,086.21, 242,024,422.55 and 105,781,771.55 is: 145,933,021.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,435,086.21 : 242,024,422.55 = 105,781,771.55 : x
  2. Step 2: Convert to fraction form
    175,435,086.21/242,024,422.55 = 105,781,771.55/x
  3. Step 3: Cross multiply
    175,435,086.21x = 242,024,422.55 × 105,781,771.55
  4. Step 4: Simplify right side
    175,435,086.21x = 25,601,772,173,965,736
  5. Step 5: Solve for x
    x = 25,601,772,173,965,736/175,435,086.21
  6. Step 6: Final answer
    x = 145,933,021.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.