Home / 152,380,923.87-228,576,126.12-72,505,064.55

Finding the Fourth Proportional to 152,380,923.87, 228,576,126.12 and 72,505,064.55

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Solution

The fourth proportional to 152,380,923.87, 228,576,126.12 and 72,505,064.55 is: 108,759,852.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,380,923.87 : 228,576,126.12 = 72,505,064.55 : x
  2. Step 2: Convert to fraction form
    152,380,923.87/228,576,126.12 = 72,505,064.55/x
  3. Step 3: Cross multiply
    152,380,923.87x = 228,576,126.12 × 72,505,064.55
  4. Step 4: Simplify right side
    152,380,923.87x = 16,572,926,778,919,540
  5. Step 5: Solve for x
    x = 16,572,926,778,919,540/152,380,923.87
  6. Step 6: Final answer
    x = 108,759,852.34

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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.