Home / 111,905,904.70-167,858,857.05-66,444,298.30

Finding the Fourth Proportional to 111,905,904.70, 167,858,857.05 and 66,444,298.30

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Solution

The fourth proportional to 111,905,904.70, 167,858,857.05 and 66,444,298.30 is: 99,666,447.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,905,904.70 : 167,858,857.05 = 66,444,298.30 : x
  2. Step 2: Convert to fraction form
    111,905,904.70/167,858,857.05 = 66,444,298.30/x
  3. Step 3: Cross multiply
    111,905,904.70x = 167,858,857.05 × 66,444,298.30
  4. Step 4: Simplify right side
    111,905,904.70x = 11,153,263,970,127,258
  5. Step 5: Solve for x
    x = 11,153,263,970,127,258/111,905,904.70
  6. Step 6: Final answer
    x = 99,666,447.45

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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.