Home / 120,390,277.52-166,133,023.05-68,179,686.92

Finding the Fourth Proportional to 120,390,277.52, 166,133,023.05 and 68,179,686.92

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Solution

The fourth proportional to 120,390,277.52, 166,133,023.05 and 68,179,686.92 is: 94,084,819.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,390,277.52 : 166,133,023.05 = 68,179,686.92 : x
  2. Step 2: Convert to fraction form
    120,390,277.52/166,133,023.05 = 68,179,686.92/x
  3. Step 3: Cross multiply
    120,390,277.52x = 166,133,023.05 × 68,179,686.92
  4. Step 4: Simplify right side
    120,390,277.52x = 11,326,897,498,622,144
  5. Step 5: Solve for x
    x = 11,326,897,498,622,144/120,390,277.52
  6. Step 6: Final answer
    x = 94,084,819.24

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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.