Home / 69,679,724.04-104,512,832.30-21,158,004.35

Finding the Fourth Proportional to 69,679,724.04, 104,512,832.30 and 21,158,004.35

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Solution

The fourth proportional to 69,679,724.04, 104,512,832.30 and 21,158,004.35 is: 31,734,955.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,679,724.04 : 104,512,832.30 = 21,158,004.35 : x
  2. Step 2: Convert to fraction form
    69,679,724.04/104,512,832.30 = 21,158,004.35/x
  3. Step 3: Cross multiply
    69,679,724.04x = 104,512,832.30 × 21,158,004.35
  4. Step 4: Simplify right side
    69,679,724.04x = 2,211,282,959,805,866.25
  5. Step 5: Solve for x
    x = 2,211,282,959,805,866.25/69,679,724.04
  6. Step 6: Final answer
    x = 31,734,955.76

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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.