Home / 68,410,443.71-102,615,665.45-17,292,462.54

Finding the Fourth Proportional to 68,410,443.71, 102,615,665.45 and 17,292,462.54

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Solution

The fourth proportional to 68,410,443.71, 102,615,665.45 and 17,292,462.54 is: 25,938,693.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,410,443.71 : 102,615,665.45 = 17,292,462.54 : x
  2. Step 2: Convert to fraction form
    68,410,443.71/102,615,665.45 = 17,292,462.54/x
  3. Step 3: Cross multiply
    68,410,443.71x = 102,615,665.45 × 17,292,462.54
  4. Step 4: Simplify right side
    68,410,443.71x = 1,774,477,550,724,834.75
  5. Step 5: Solve for x
    x = 1,774,477,550,724,834.75/68,410,443.71
  6. Step 6: Final answer
    x = 25,938,693.78

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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.