Home / 123,759,431.89-170,787,968.54-68,008,444.09

Finding the Fourth Proportional to 123,759,431.89, 170,787,968.54 and 68,008,444.09

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Solution

The fourth proportional to 123,759,431.89, 170,787,968.54 and 68,008,444.09 is: 93,851,626.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,759,431.89 : 170,787,968.54 = 68,008,444.09 : x
  2. Step 2: Convert to fraction form
    123,759,431.89/170,787,968.54 = 68,008,444.09/x
  3. Step 3: Cross multiply
    123,759,431.89x = 170,787,968.54 × 68,008,444.09
  4. Step 4: Simplify right side
    123,759,431.89x = 11,615,024,009,185,288
  5. Step 5: Solve for x
    x = 11,615,024,009,185,288/123,759,431.89
  6. Step 6: Final answer
    x = 93,851,626.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.