Home / 116,159,367.28-160,309,296.72-66,604,351.60

Finding the Fourth Proportional to 116,159,367.28, 160,309,296.72 and 66,604,351.60

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Solution

The fourth proportional to 116,159,367.28, 160,309,296.72 and 66,604,351.60 is: 91,919,377.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,159,367.28 : 160,309,296.72 = 66,604,351.60 : x
  2. Step 2: Convert to fraction form
    116,159,367.28/160,309,296.72 = 66,604,351.60/x
  3. Step 3: Cross multiply
    116,159,367.28x = 160,309,296.72 × 66,604,351.60
  4. Step 4: Simplify right side
    116,159,367.28x = 10,677,296,763,487,606
  5. Step 5: Solve for x
    x = 10,677,296,763,487,606/116,159,367.28
  6. Step 6: Final answer
    x = 91,919,377.78

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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.