Home / 120,453,422.49-180,679,770.86-34,191,902.25

Finding the Fourth Proportional to 120,453,422.49, 180,679,770.86 and 34,191,902.25

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Solution

The fourth proportional to 120,453,422.49, 180,679,770.86 and 34,191,902.25 is: 51,287,750.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,453,422.49 : 180,679,770.86 = 34,191,902.25 : x
  2. Step 2: Convert to fraction form
    120,453,422.49/180,679,770.86 = 34,191,902.25/x
  3. Step 3: Cross multiply
    120,453,422.49x = 180,679,770.86 × 34,191,902.25
  4. Step 4: Simplify right side
    120,453,422.49x = 6,177,785,063,626,559
  5. Step 5: Solve for x
    x = 6,177,785,063,626,559/120,453,422.49
  6. Step 6: Final answer
    x = 51,287,750.37

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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.