Home / 206,045,232.80-309,067,849.20-62,419,402.40

Finding the Fourth Proportional to 206,045,232.80, 309,067,849.20 and 62,419,402.40

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Solution

The fourth proportional to 206,045,232.80, 309,067,849.20 and 62,419,402.40 is: 93,629,103.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,045,232.80 : 309,067,849.20 = 62,419,402.40 : x
  2. Step 2: Convert to fraction form
    206,045,232.80/309,067,849.20 = 62,419,402.40/x
  3. Step 3: Cross multiply
    206,045,232.80x = 309,067,849.20 × 62,419,402.40
  4. Step 4: Simplify right side
    206,045,232.80x = 19,291,830,448,117,316
  5. Step 5: Solve for x
    x = 19,291,830,448,117,316/206,045,232.80
  6. Step 6: Final answer
    x = 93,629,103.60

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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.