Home / 154,524,672,024.80-231,787,008,037.20-129,729,760,728.80

Finding the Fourth Proportional to 154,524,672,024.80, 231,787,008,037.20 and 129,729,760,728.80

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Solution

The fourth proportional to 154,524,672,024.80, 231,787,008,037.20 and 129,729,760,728.80 is: 194,594,641,093.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,524,672,024.80 : 231,787,008,037.20 = 129,729,760,728.80 : x
  2. Step 2: Convert to fraction form
    154,524,672,024.80/231,787,008,037.20 = 129,729,760,728.80/x
  3. Step 3: Cross multiply
    154,524,672,024.80x = 231,787,008,037.20 × 129,729,760,728.80
  4. Step 4: Simplify right side
    154,524,672,024.80x = 30,069,673,092,710,400,000,000
  5. Step 5: Solve for x
    x = 30,069,673,092,710,400,000,000/154,524,672,024.80
  6. Step 6: Final answer
    x = 194,594,641,093.20

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1.5x scale

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.