Home / 111,716,015.70-167,574,023.55-86,206,847.70

Finding the Fourth Proportional to 111,716,015.70, 167,574,023.55 and 86,206,847.70

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Solution

The fourth proportional to 111,716,015.70, 167,574,023.55 and 86,206,847.70 is: 129,310,271.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,716,015.70 : 167,574,023.55 = 86,206,847.70 : x
  2. Step 2: Convert to fraction form
    111,716,015.70/167,574,023.55 = 86,206,847.70/x
  3. Step 3: Cross multiply
    111,716,015.70x = 167,574,023.55 × 86,206,847.70
  4. Step 4: Simplify right side
    111,716,015.70x = 14,446,028,326,651,064
  5. Step 5: Solve for x
    x = 14,446,028,326,651,064/111,716,015.70
  6. Step 6: Final answer
    x = 129,310,271.55

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