Home / 111,639,901.20-167,465,381.40-57,892,189.20

Finding the Fourth Proportional to 111,639,901.20, 167,465,381.40 and 57,892,189.20

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Solution

The fourth proportional to 111,639,901.20, 167,465,381.40 and 57,892,189.20 is: 86,841,151.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,639,901.20 : 167,465,381.40 = 57,892,189.20 : x
  2. Step 2: Convert to fraction form
    111,639,901.20/167,465,381.40 = 57,892,189.20/x
  3. Step 3: Cross multiply
    111,639,901.20x = 167,465,381.40 × 57,892,189.20
  4. Step 4: Simplify right side
    111,639,901.20x = 9,694,937,544,458,962
  5. Step 5: Solve for x
    x = 9,694,937,544,458,962/111,639,901.20
  6. Step 6: Final answer
    x = 86,841,151.24

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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.