Home / 121,381,531.20-182,072,296.80-110,327,558.40

Finding the Fourth Proportional to 121,381,531.20, 182,072,296.80 and 110,327,558.40

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Solution

The fourth proportional to 121,381,531.20, 182,072,296.80 and 110,327,558.40 is: 165,491,337.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,381,531.20 : 182,072,296.80 = 110,327,558.40 : x
  2. Step 2: Convert to fraction form
    121,381,531.20/182,072,296.80 = 110,327,558.40/x
  3. Step 3: Cross multiply
    121,381,531.20x = 182,072,296.80 × 110,327,558.40
  4. Step 4: Simplify right side
    121,381,531.20x = 20,087,591,958,224,136
  5. Step 5: Solve for x
    x = 20,087,591,958,224,136/121,381,531.20
  6. Step 6: Final answer
    x = 165,491,337.60

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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.