Home / 69,120,145.17-95,388,698.18-39,751,500.66

Finding the Fourth Proportional to 69,120,145.17, 95,388,698.18 and 39,751,500.66

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Solution

The fourth proportional to 69,120,145.17, 95,388,698.18 and 39,751,500.66 is: 54,858,737.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,120,145.17 : 95,388,698.18 = 39,751,500.66 : x
  2. Step 2: Convert to fraction form
    69,120,145.17/95,388,698.18 = 39,751,500.66/x
  3. Step 3: Cross multiply
    69,120,145.17x = 95,388,698.18 × 39,751,500.66
  4. Step 4: Simplify right side
    69,120,145.17x = 3,791,843,898,460,053
  5. Step 5: Solve for x
    x = 3,791,843,898,460,053/69,120,145.17
  6. Step 6: Final answer
    x = 54,858,737.48

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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.