Home / 111,216,904.30-166,573,414.05-65,867,272.30

Finding the Fourth Proportional to 111,216,904.30, 166,573,414.05 and 65,867,272.30

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Solution

The fourth proportional to 111,216,904.30, 166,573,414.05 and 65,867,272.30 is: 98,651,697.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,216,904.30 : 166,573,414.05 = 65,867,272.30 : x
  2. Step 2: Convert to fraction form
    111,216,904.30/166,573,414.05 = 65,867,272.30/x
  3. Step 3: Cross multiply
    111,216,904.30x = 166,573,414.05 × 65,867,272.30
  4. Step 4: Simplify right side
    111,216,904.30x = 10,971,736,421,171,996
  5. Step 5: Solve for x
    x = 10,971,736,421,171,996/111,216,904.30
  6. Step 6: Final answer
    x = 98,651,697.69

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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.