Home / 160,103,430.42-220,942,922.91-86,764,572.42

Finding the Fourth Proportional to 160,103,430.42, 220,942,922.91 and 86,764,572.42

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Solution

The fourth proportional to 160,103,430.42, 220,942,922.91 and 86,764,572.42 is: 119,735,212.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,103,430.42 : 220,942,922.91 = 86,764,572.42 : x
  2. Step 2: Convert to fraction form
    160,103,430.42/220,942,922.91 = 86,764,572.42/x
  3. Step 3: Cross multiply
    160,103,430.42x = 220,942,922.91 × 86,764,572.42
  4. Step 4: Simplify right side
    160,103,430.42x = 19,170,018,235,511,172
  5. Step 5: Solve for x
    x = 19,170,018,235,511,172/160,103,430.42
  6. Step 6: Final answer
    x = 119,735,212.33

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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.