Home / 159,216,911.79-219,682,986.33-89,576,883.15

Finding the Fourth Proportional to 159,216,911.79, 219,682,986.33 and 89,576,883.15

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Solution

The fourth proportional to 159,216,911.79, 219,682,986.33 and 89,576,883.15 is: 123,595,646.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,216,911.79 : 219,682,986.33 = 89,576,883.15 : x
  2. Step 2: Convert to fraction form
    159,216,911.79/219,682,986.33 = 89,576,883.15/x
  3. Step 3: Cross multiply
    159,216,911.79x = 219,682,986.33 × 89,576,883.15
  4. Step 4: Simplify right side
    159,216,911.79x = 19,678,517,196,037,560
  5. Step 5: Solve for x
    x = 19,678,517,196,037,560/159,216,911.79
  6. Step 6: Final answer
    x = 123,595,646.81

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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.