Home / 288,293,299.96-432,513,662.46-83,821,375

Finding the Fourth Proportional to 288,293,299.96, 432,513,662.46 and 83,821,375

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Solution

The fourth proportional to 288,293,299.96, 432,513,662.46 and 83,821,375 is: 125,753,494.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,293,299.96 : 432,513,662.46 = 83,821,375 : x
  2. Step 2: Convert to fraction form
    288,293,299.96/432,513,662.46 = 83,821,375/x
  3. Step 3: Cross multiply
    288,293,299.96x = 432,513,662.46 × 83,821,375
  4. Step 4: Simplify right side
    288,293,299.96x = 36,253,889,893,683,080
  5. Step 5: Solve for x
    x = 36,253,889,893,683,080/288,293,299.96
  6. Step 6: Final answer
    x = 125,753,494.44

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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.