Home / 76,572,431.70-114,869,145.15-25,449,119.70

Finding the Fourth Proportional to 76,572,431.70, 114,869,145.15 and 25,449,119.70

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Solution

The fourth proportional to 76,572,431.70, 114,869,145.15 and 25,449,119.70 is: 38,177,168.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,572,431.70 : 114,869,145.15 = 25,449,119.70 : x
  2. Step 2: Convert to fraction form
    76,572,431.70/114,869,145.15 = 25,449,119.70/x
  3. Step 3: Cross multiply
    76,572,431.70x = 114,869,145.15 × 25,449,119.70
  4. Step 4: Simplify right side
    76,572,431.70x = 2,923,318,624,759,024.50
  5. Step 5: Solve for x
    x = 2,923,318,624,759,024.50/76,572,431.70
  6. Step 6: Final answer
    x = 38,177,168.46

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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.