Home / 129,318,809.55-194,003,808.39-47,438,403.13

Finding the Fourth Proportional to 129,318,809.55, 194,003,808.39 and 47,438,403.13

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Solution

The fourth proportional to 129,318,809.55, 194,003,808.39 and 47,438,403.13 is: 71,166,993.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,318,809.55 : 194,003,808.39 = 47,438,403.13 : x
  2. Step 2: Convert to fraction form
    129,318,809.55/194,003,808.39 = 47,438,403.13/x
  3. Step 3: Cross multiply
    129,318,809.55x = 194,003,808.39 × 47,438,403.13
  4. Step 4: Simplify right side
    129,318,809.55x = 9,203,230,871,160,096
  5. Step 5: Solve for x
    x = 9,203,230,871,160,096/129,318,809.55
  6. Step 6: Final answer
    x = 71,166,993.44

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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.