Home / 160,103,414.89-220,942,901.51-86,764,556.89

Finding the Fourth Proportional to 160,103,414.89, 220,942,901.51 and 86,764,556.89

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Solution

The fourth proportional to 160,103,414.89, 220,942,901.51 and 86,764,556.89 is: 119,735,190.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,103,414.89 : 220,942,901.51 = 86,764,556.89 : x
  2. Step 2: Convert to fraction form
    160,103,414.89/220,942,901.51 = 86,764,556.89/x
  3. Step 3: Cross multiply
    160,103,414.89x = 220,942,901.51 × 86,764,556.89
  4. Step 4: Simplify right side
    160,103,414.89x = 19,170,012,947,506,060
  5. Step 5: Solve for x
    x = 19,170,012,947,506,060/160,103,414.89
  6. Step 6: Final answer
    x = 119,735,190.91

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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.