Home / 123,298,818.56-170,150,241.28-68,293,494.40

Finding the Fourth Proportional to 123,298,818.56, 170,150,241.28 and 68,293,494.40

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Solution

The fourth proportional to 123,298,818.56, 170,150,241.28 and 68,293,494.40 is: 94,243,843.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,298,818.56 : 170,150,241.28 = 68,293,494.40 : x
  2. Step 2: Convert to fraction form
    123,298,818.56/170,150,241.28 = 68,293,494.40/x
  3. Step 3: Cross multiply
    123,298,818.56x = 170,150,241.28 × 68,293,494.40
  4. Step 4: Simplify right side
    123,298,818.56x = 11,620,154,550,014,330
  5. Step 5: Solve for x
    x = 11,620,154,550,014,330/123,298,818.56
  6. Step 6: Final answer
    x = 94,243,843.42

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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.