Home / 111,216,860.80-166,573,348.80-65,867,228.80

Finding the Fourth Proportional to 111,216,860.80, 166,573,348.80 and 65,867,228.80

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Solution

The fourth proportional to 111,216,860.80, 166,573,348.80 and 65,867,228.80 is: 98,651,632.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,216,860.80 : 166,573,348.80 = 65,867,228.80 : x
  2. Step 2: Convert to fraction form
    111,216,860.80/166,573,348.80 = 65,867,228.80/x
  3. Step 3: Cross multiply
    111,216,860.80x = 166,573,348.80 × 65,867,228.80
  4. Step 4: Simplify right side
    111,216,860.80x = 10,971,724,877,391,806
  5. Step 5: Solve for x
    x = 10,971,724,877,391,806/111,216,860.80
  6. Step 6: Final answer
    x = 98,651,632.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.