Home / 65,869,347.55-90,900,241.17-36,501,170.56

Finding the Fourth Proportional to 65,869,347.55, 90,900,241.17 and 36,501,170.56

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Solution

The fourth proportional to 65,869,347.55, 90,900,241.17 and 36,501,170.56 is: 50,371,915.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,869,347.55 : 90,900,241.17 = 36,501,170.56 : x
  2. Step 2: Convert to fraction form
    65,869,347.55/90,900,241.17 = 36,501,170.56/x
  3. Step 3: Cross multiply
    65,869,347.55x = 90,900,241.17 × 36,501,170.56
  4. Step 4: Simplify right side
    65,869,347.55x = 3,317,965,206,436,803
  5. Step 5: Solve for x
    x = 3,317,965,206,436,803/65,869,347.55
  6. Step 6: Final answer
    x = 50,371,915.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.