Home / 216,933,860.88-325,269,665.64-87,390,171.60

Finding the Fourth Proportional to 216,933,860.88, 325,269,665.64 and 87,390,171.60

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Solution

The fourth proportional to 216,933,860.88, 325,269,665.64 and 87,390,171.60 is: 131,032,434.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,933,860.88 : 325,269,665.64 = 87,390,171.60 : x
  2. Step 2: Convert to fraction form
    216,933,860.88/325,269,665.64 = 87,390,171.60/x
  3. Step 3: Cross multiply
    216,933,860.88x = 325,269,665.64 × 87,390,171.60
  4. Step 4: Simplify right side
    216,933,860.88x = 28,425,371,896,554,220
  5. Step 5: Solve for x
    x = 28,425,371,896,554,220/216,933,860.88
  6. Step 6: Final answer
    x = 131,032,434.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.