Home / 69,721,119.84-104,594,448.63-28,758,213.18

Finding the Fourth Proportional to 69,721,119.84, 104,594,448.63 and 28,758,213.18

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Solution

The fourth proportional to 69,721,119.84, 104,594,448.63 and 28,758,213.18 is: 43,142,586.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,721,119.84 : 104,594,448.63 = 28,758,213.18 : x
  2. Step 2: Convert to fraction form
    69,721,119.84/104,594,448.63 = 28,758,213.18/x
  3. Step 3: Cross multiply
    69,721,119.84x = 104,594,448.63 × 28,758,213.18
  4. Step 4: Simplify right side
    69,721,119.84x = 3,007,949,451,146,099
  5. Step 5: Solve for x
    x = 3,007,949,451,146,099/69,721,119.84
  6. Step 6: Final answer
    x = 43,142,586.61

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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.