Home / 69,679,944.52-104,513,162.70-21,158,224.84

Finding the Fourth Proportional to 69,679,944.52, 104,513,162.70 and 21,158,224.84

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Solution

The fourth proportional to 69,679,944.52, 104,513,162.70 and 21,158,224.84 is: 31,735,286.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,679,944.52 : 104,513,162.70 = 21,158,224.84 : x
  2. Step 2: Convert to fraction form
    69,679,944.52/104,513,162.70 = 21,158,224.84/x
  3. Step 3: Cross multiply
    69,679,944.52x = 104,513,162.70 × 21,158,224.84
  4. Step 4: Simplify right side
    69,679,944.52x = 2,211,312,995,146,101.50
  5. Step 5: Solve for x
    x = 2,211,312,995,146,101.50/69,679,944.52
  6. Step 6: Final answer
    x = 31,735,286.39

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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.