Home / 194,942,985.80-292,414,478.70-80,010,012.20

Finding the Fourth Proportional to 194,942,985.80, 292,414,478.70 and 80,010,012.20

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Solution

The fourth proportional to 194,942,985.80, 292,414,478.70 and 80,010,012.20 is: 120,015,018.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,942,985.80 : 292,414,478.70 = 80,010,012.20 : x
  2. Step 2: Convert to fraction form
    194,942,985.80/292,414,478.70 = 80,010,012.20/x
  3. Step 3: Cross multiply
    194,942,985.80x = 292,414,478.70 × 80,010,012.20
  4. Step 4: Simplify right side
    194,942,985.80x = 23,396,086,008,243,640
  5. Step 5: Solve for x
    x = 23,396,086,008,243,640/194,942,985.80
  6. Step 6: Final answer
    x = 120,015,018.30

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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.