Home / 254,238,627.67-381,361,484.58-72,485,805.67

Finding the Fourth Proportional to 254,238,627.67, 381,361,484.58 and 72,485,805.67

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Solution

The fourth proportional to 254,238,627.67, 381,361,484.58 and 72,485,805.67 is: 108,729,718.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,238,627.67 : 381,361,484.58 = 72,485,805.67 : x
  2. Step 2: Convert to fraction form
    254,238,627.67/381,361,484.58 = 72,485,805.67/x
  3. Step 3: Cross multiply
    254,238,627.67x = 381,361,484.58 × 72,485,805.67
  4. Step 4: Simplify right side
    254,238,627.67x = 27,643,294,461,288,580
  5. Step 5: Solve for x
    x = 27,643,294,461,288,580/254,238,627.67
  6. Step 6: Final answer
    x = 108,729,718.67

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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.