Home / 251,788,015.20-377,682,022.80-149,499,400.80

Finding the Fourth Proportional to 251,788,015.20, 377,682,022.80 and 149,499,400.80

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Solution

The fourth proportional to 251,788,015.20, 377,682,022.80 and 149,499,400.80 is: 224,249,101.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,788,015.20 : 377,682,022.80 = 149,499,400.80 : x
  2. Step 2: Convert to fraction form
    251,788,015.20/377,682,022.80 = 149,499,400.80/x
  3. Step 3: Cross multiply
    251,788,015.20x = 377,682,022.80 × 149,499,400.80
  4. Step 4: Simplify right side
    251,788,015.20x = 56,463,236,101,531,944
  5. Step 5: Solve for x
    x = 56,463,236,101,531,944/251,788,015.20
  6. Step 6: Final answer
    x = 224,249,101.20

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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.