Home / 69,648,838.66-104,473,500.99-21,127,110.58

Finding the Fourth Proportional to 69,648,838.66, 104,473,500.99 and 21,127,110.58

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Solution

The fourth proportional to 69,648,838.66, 104,473,500.99 and 21,127,110.58 is: 31,690,739.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,648,838.66 : 104,473,500.99 = 21,127,110.58 : x
  2. Step 2: Convert to fraction form
    69,648,838.66/104,473,500.99 = 21,127,110.58/x
  3. Step 3: Cross multiply
    69,648,838.66x = 104,473,500.99 × 21,127,110.58
  4. Step 4: Simplify right side
    69,648,838.66x = 2,207,223,208,095,469.25
  5. Step 5: Solve for x
    x = 2,207,223,208,095,469.25/69,648,838.66
  6. Step 6: Final answer
    x = 31,690,739.58

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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.