Home / 80,174,295.70-120,266,902.50-25,590,990.12

Finding the Fourth Proportional to 80,174,295.70, 120,266,902.50 and 25,590,990.12

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Solution

The fourth proportional to 80,174,295.70, 120,266,902.50 and 25,590,990.12 is: 38,388,227.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,174,295.70 : 120,266,902.50 = 25,590,990.12 : x
  2. Step 2: Convert to fraction form
    80,174,295.70/120,266,902.50 = 25,590,990.12/x
  3. Step 3: Cross multiply
    80,174,295.70x = 120,266,902.50 × 25,590,990.12
  4. Step 4: Simplify right side
    80,174,295.70x = 3,077,749,113,640,503.50
  5. Step 5: Solve for x
    x = 3,077,749,113,640,503.50/80,174,295.70
  6. Step 6: Final answer
    x = 38,388,227.63

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1.5x scale

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.