Home / 111,964,453.54-154,511,663.12-62,407,969.53

Finding the Fourth Proportional to 111,964,453.54, 154,511,663.12 and 62,407,969.53

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Solution

The fourth proportional to 111,964,453.54, 154,511,663.12 and 62,407,969.53 is: 86,123,397.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,964,453.54 : 154,511,663.12 = 62,407,969.53 : x
  2. Step 2: Convert to fraction form
    111,964,453.54/154,511,663.12 = 62,407,969.53/x
  3. Step 3: Cross multiply
    111,964,453.54x = 154,511,663.12 × 62,407,969.53
  4. Step 4: Simplify right side
    111,964,453.54x = 9,642,759,164,022,586
  5. Step 5: Solve for x
    x = 9,642,759,164,022,586/111,964,453.54
  6. Step 6: Final answer
    x = 86,123,397.73

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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.