Home / 160,103,437.89-220,942,933.29-86,764,579.89

Finding the Fourth Proportional to 160,103,437.89, 220,942,933.29 and 86,764,579.89

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Solution

The fourth proportional to 160,103,437.89, 220,942,933.29 and 86,764,579.89 is: 119,735,222.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,103,437.89 : 220,942,933.29 = 86,764,579.89 : x
  2. Step 2: Convert to fraction form
    160,103,437.89/220,942,933.29 = 86,764,579.89/x
  3. Step 3: Cross multiply
    160,103,437.89x = 220,942,933.29 × 86,764,579.89
  4. Step 4: Simplify right side
    160,103,437.89x = 19,170,020,786,571,144
  5. Step 5: Solve for x
    x = 19,170,020,786,571,144/160,103,437.89
  6. Step 6: Final answer
    x = 119,735,222.67

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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.