Home / 111,218,966.40-166,828,449.60-106,684,003.20

Finding the Fourth Proportional to 111,218,966.40, 166,828,449.60 and 106,684,003.20

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Solution

The fourth proportional to 111,218,966.40, 166,828,449.60 and 106,684,003.20 is: 160,026,004.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,218,966.40 : 166,828,449.60 = 106,684,003.20 : x
  2. Step 2: Convert to fraction form
    111,218,966.40/166,828,449.60 = 106,684,003.20/x
  3. Step 3: Cross multiply
    111,218,966.40x = 166,828,449.60 × 106,684,003.20
  4. Step 4: Simplify right side
    111,218,966.40x = 17,797,926,850,977,438
  5. Step 5: Solve for x
    x = 17,797,926,850,977,438/111,218,966.40
  6. Step 6: Final answer
    x = 160,026,004.80

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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.