Home / 221,017,396.80-331,526,095.20-75,402,562.80

Finding the Fourth Proportional to 221,017,396.80, 331,526,095.20 and 75,402,562.80

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Solution

The fourth proportional to 221,017,396.80, 331,526,095.20 and 75,402,562.80 is: 113,103,844.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,017,396.80 : 331,526,095.20 = 75,402,562.80 : x
  2. Step 2: Convert to fraction form
    221,017,396.80/331,526,095.20 = 75,402,562.80/x
  3. Step 3: Cross multiply
    221,017,396.80x = 331,526,095.20 × 75,402,562.80
  4. Step 4: Simplify right side
    221,017,396.80x = 24,997,917,213,156,776
  5. Step 5: Solve for x
    x = 24,997,917,213,156,776/221,017,396.80
  6. Step 6: Final answer
    x = 113,103,844.20

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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.