Home / 160,103,416.89-220,942,904.28-86,764,558.89

Finding the Fourth Proportional to 160,103,416.89, 220,942,904.28 and 86,764,558.89

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Solution

The fourth proportional to 160,103,416.89, 220,942,904.28 and 86,764,558.89 is: 119,735,193.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,103,416.89 : 220,942,904.28 = 86,764,558.89 : x
  2. Step 2: Convert to fraction form
    160,103,416.89/220,942,904.28 = 86,764,558.89/x
  3. Step 3: Cross multiply
    160,103,416.89x = 220,942,904.28 × 86,764,558.89
  4. Step 4: Simplify right side
    160,103,416.89x = 19,170,013,629,729,692
  5. Step 5: Solve for x
    x = 19,170,013,629,729,692/160,103,416.89
  6. Step 6: Final answer
    x = 119,735,193.68

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1.5x scale

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.