Home / 116,006,045.76-160,043,033.97-66,419,918.64

Finding the Fourth Proportional to 116,006,045.76, 160,043,033.97 and 66,419,918.64

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Solution

The fourth proportional to 116,006,045.76, 160,043,033.97 and 66,419,918.64 is: 91,633,545.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,006,045.76 : 160,043,033.97 = 66,419,918.64 : x
  2. Step 2: Convert to fraction form
    116,006,045.76/160,043,033.97 = 66,419,918.64/x
  3. Step 3: Cross multiply
    116,006,045.76x = 160,043,033.97 × 66,419,918.64
  4. Step 4: Simplify right side
    116,006,045.76x = 10,630,045,295,186,156
  5. Step 5: Solve for x
    x = 10,630,045,295,186,156/116,006,045.76
  6. Step 6: Final answer
    x = 91,633,545.70

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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.