Home / 111,216,905.30-166,573,415.55-65,867,273.30

Finding the Fourth Proportional to 111,216,905.30, 166,573,415.55 and 65,867,273.30

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Solution

The fourth proportional to 111,216,905.30, 166,573,415.55 and 65,867,273.30 is: 98,651,699.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,216,905.30 : 166,573,415.55 = 65,867,273.30 : x
  2. Step 2: Convert to fraction form
    111,216,905.30/166,573,415.55 = 65,867,273.30/x
  3. Step 3: Cross multiply
    111,216,905.30x = 166,573,415.55 × 65,867,273.30
  4. Step 4: Simplify right side
    111,216,905.30x = 10,971,736,686,546,320
  5. Step 5: Solve for x
    x = 10,971,736,686,546,320/111,216,905.30
  6. Step 6: Final answer
    x = 98,651,699.19

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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.