Home / 111,770,111.20-167,655,166.80-106,479,320.80

Finding the Fourth Proportional to 111,770,111.20, 167,655,166.80 and 106,479,320.80

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Solution

The fourth proportional to 111,770,111.20, 167,655,166.80 and 106,479,320.80 is: 159,718,981.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,770,111.20 : 167,655,166.80 = 106,479,320.80 : x
  2. Step 2: Convert to fraction form
    111,770,111.20/167,655,166.80 = 106,479,320.80/x
  3. Step 3: Cross multiply
    111,770,111.20x = 167,655,166.80 × 106,479,320.80
  4. Step 4: Simplify right side
    111,770,111.20x = 17,851,808,289,474,710
  5. Step 5: Solve for x
    x = 17,851,808,289,474,710/111,770,111.20
  6. Step 6: Final answer
    x = 159,718,981.20

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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.