Home / 309,833,519.96-464,672,830.98-91,440,516.44

Finding the Fourth Proportional to 309,833,519.96, 464,672,830.98 and 91,440,516.44

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Solution

The fourth proportional to 309,833,519.96, 464,672,830.98 and 91,440,516.44 is: 137,137,917.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,833,519.96 : 464,672,830.98 = 91,440,516.44 : x
  2. Step 2: Convert to fraction form
    309,833,519.96/464,672,830.98 = 91,440,516.44/x
  3. Step 3: Cross multiply
    309,833,519.96x = 464,672,830.98 × 91,440,516.44
  4. Step 4: Simplify right side
    309,833,519.96x = 42,489,923,640,448,032
  5. Step 5: Solve for x
    x = 42,489,923,640,448,032/309,833,519.96
  6. Step 6: Final answer
    x = 137,137,917.31

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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.