Home / 120,546,790.40-166,352,611.20-65,544,032

Finding the Fourth Proportional to 120,546,790.40, 166,352,611.20 and 65,544,032

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Solution

The fourth proportional to 120,546,790.40, 166,352,611.20 and 65,544,032 is: 90,449,698.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,546,790.40 : 166,352,611.20 = 65,544,032 : x
  2. Step 2: Convert to fraction form
    120,546,790.40/166,352,611.20 = 65,544,032/x
  3. Step 3: Cross multiply
    120,546,790.40x = 166,352,611.20 × 65,544,032
  4. Step 4: Simplify right side
    120,546,790.40x = 10,903,420,871,776,358
  5. Step 5: Solve for x
    x = 10,903,420,871,776,358/120,546,790.40
  6. Step 6: Final answer
    x = 90,449,698.71

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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.