Home / 120,384,784.35-166,141,248.39-68,183,106.39

Finding the Fourth Proportional to 120,384,784.35, 166,141,248.39 and 68,183,106.39

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Solution

The fourth proportional to 120,384,784.35, 166,141,248.39 and 68,183,106.39 is: 94,098,489.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,384,784.35 : 166,141,248.39 = 68,183,106.39 : x
  2. Step 2: Convert to fraction form
    120,384,784.35/166,141,248.39 = 68,183,106.39/x
  3. Step 3: Cross multiply
    120,384,784.35x = 166,141,248.39 × 68,183,106.39
  4. Step 4: Simplify right side
    120,384,784.35x = 11,328,026,414,742,786
  5. Step 5: Solve for x
    x = 11,328,026,414,742,786/120,384,784.35
  6. Step 6: Final answer
    x = 94,098,489.90

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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.