Home / 148,036,277.12-204,290,111.81-81,059,471.37

Finding the Fourth Proportional to 148,036,277.12, 204,290,111.81 and 81,059,471.37

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Solution

The fourth proportional to 148,036,277.12, 204,290,111.81 and 81,059,471.37 is: 111,862,097.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,036,277.12 : 204,290,111.81 = 81,059,471.37 : x
  2. Step 2: Convert to fraction form
    148,036,277.12/204,290,111.81 = 81,059,471.37/x
  3. Step 3: Cross multiply
    148,036,277.12x = 204,290,111.81 × 81,059,471.37
  4. Step 4: Simplify right side
    148,036,277.12x = 16,559,648,469,639,444
  5. Step 5: Solve for x
    x = 16,559,648,469,639,444/148,036,277.12
  6. Step 6: Final answer
    x = 111,862,097.54

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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.