Home / 120,384,815.60-166,141,291.52-68,183,137.64

Finding the Fourth Proportional to 120,384,815.60, 166,141,291.52 and 68,183,137.64

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Solution

The fourth proportional to 120,384,815.60, 166,141,291.52 and 68,183,137.64 is: 94,098,533.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,384,815.60 : 166,141,291.52 = 68,183,137.64 : x
  2. Step 2: Convert to fraction form
    120,384,815.60/166,141,291.52 = 68,183,137.64/x
  3. Step 3: Cross multiply
    120,384,815.60x = 166,141,291.52 × 68,183,137.64
  4. Step 4: Simplify right side
    120,384,815.60x = 11,328,034,547,395,526
  5. Step 5: Solve for x
    x = 11,328,034,547,395,526/120,384,815.60
  6. Step 6: Final answer
    x = 94,098,533.03

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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.