Home / 140,978,291.03-211,510,731.85-67,296,093.77

Finding the Fourth Proportional to 140,978,291.03, 211,510,731.85 and 67,296,093.77

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Solution

The fourth proportional to 140,978,291.03, 211,510,731.85 and 67,296,093.77 is: 100,964,807.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,978,291.03 : 211,510,731.85 = 67,296,093.77 : x
  2. Step 2: Convert to fraction form
    140,978,291.03/211,510,731.85 = 67,296,093.77/x
  3. Step 3: Cross multiply
    140,978,291.03x = 211,510,731.85 × 67,296,093.77
  4. Step 4: Simplify right side
    140,978,291.03x = 14,233,846,044,677,664
  5. Step 5: Solve for x
    x = 14,233,846,044,677,664/140,978,291.03
  6. Step 6: Final answer
    x = 100,964,807.71

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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.