Home / 120,390,275.03-166,133,019.60-68,179,684.41

Finding the Fourth Proportional to 120,390,275.03, 166,133,019.60 and 68,179,684.41

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Solution

The fourth proportional to 120,390,275.03, 166,133,019.60 and 68,179,684.41 is: 94,084,815.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,390,275.03 : 166,133,019.60 = 68,179,684.41 : x
  2. Step 2: Convert to fraction form
    120,390,275.03/166,133,019.60 = 68,179,684.41/x
  3. Step 3: Cross multiply
    120,390,275.03x = 166,133,019.60 × 68,179,684.41
  4. Step 4: Simplify right side
    120,390,275.03x = 11,326,896,846,408,344
  5. Step 5: Solve for x
    x = 11,326,896,846,408,344/120,390,275.03
  6. Step 6: Final answer
    x = 94,084,815.77

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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.