Home / 254,238,628.67-381,361,486.08-72,485,806.67

Finding the Fourth Proportional to 254,238,628.67, 381,361,486.08 and 72,485,806.67

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Solution

The fourth proportional to 254,238,628.67, 381,361,486.08 and 72,485,806.67 is: 108,729,720.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,238,628.67 : 381,361,486.08 = 72,485,806.67 : x
  2. Step 2: Convert to fraction form
    254,238,628.67/381,361,486.08 = 72,485,806.67/x
  3. Step 3: Cross multiply
    254,238,628.67x = 381,361,486.08 × 72,485,806.67
  4. Step 4: Simplify right side
    254,238,628.67x = 27,643,294,951,378,776
  5. Step 5: Solve for x
    x = 27,643,294,951,378,776/254,238,628.67
  6. Step 6: Final answer
    x = 108,729,720.17

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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.