Home / 111,735,447.36-154,107,564.60-72,589,836.96

Finding the Fourth Proportional to 111,735,447.36, 154,107,564.60 and 72,589,836.96

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Solution

The fourth proportional to 111,735,447.36, 154,107,564.60 and 72,589,836.96 is: 100,117,225.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,735,447.36 : 154,107,564.60 = 72,589,836.96 : x
  2. Step 2: Convert to fraction form
    111,735,447.36/154,107,564.60 = 72,589,836.96/x
  3. Step 3: Cross multiply
    111,735,447.36x = 154,107,564.60 × 72,589,836.96
  4. Step 4: Simplify right side
    111,735,447.36x = 11,186,642,988,616,666
  5. Step 5: Solve for x
    x = 11,186,642,988,616,666/111,735,447.36
  6. Step 6: Final answer
    x = 100,117,225.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.