Home / 125,239,912.89-172,825,224.34-69,484,739.92

Finding the Fourth Proportional to 125,239,912.89, 172,825,224.34 and 69,484,739.92

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Solution

The fourth proportional to 125,239,912.89, 172,825,224.34 and 69,484,739.92 is: 95,885,692.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,239,912.89 : 172,825,224.34 = 69,484,739.92 : x
  2. Step 2: Convert to fraction form
    125,239,912.89/172,825,224.34 = 69,484,739.92/x
  3. Step 3: Cross multiply
    125,239,912.89x = 172,825,224.34 × 69,484,739.92
  4. Step 4: Simplify right side
    125,239,912.89x = 12,008,715,764,274,780
  5. Step 5: Solve for x
    x = 12,008,715,764,274,780/125,239,912.89
  6. Step 6: Final answer
    x = 95,885,692.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.