Home / 68,410,447.76-102,615,671.68-17,292,466.58

Finding the Fourth Proportional to 68,410,447.76, 102,615,671.68 and 17,292,466.58

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Solution

The fourth proportional to 68,410,447.76, 102,615,671.68 and 17,292,466.58 is: 25,938,699.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,410,447.76 : 102,615,671.68 = 17,292,466.58 : x
  2. Step 2: Convert to fraction form
    68,410,447.76/102,615,671.68 = 17,292,466.58/x
  3. Step 3: Cross multiply
    68,410,447.76x = 102,615,671.68 × 17,292,466.58
  4. Step 4: Simplify right side
    68,410,447.76x = 1,774,478,072,554,342.75
  5. Step 5: Solve for x
    x = 1,774,478,072,554,342.75/68,410,447.76
  6. Step 6: Final answer
    x = 25,938,699.87

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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.