Home / 216,874,016.70-325,562,967.45-130,709,715.90

Finding the Fourth Proportional to 216,874,016.70, 325,562,967.45 and 130,709,715.90

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Solution

The fourth proportional to 216,874,016.70, 325,562,967.45 and 130,709,715.90 is: 196,216,419.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,874,016.70 : 325,562,967.45 = 130,709,715.90 : x
  2. Step 2: Convert to fraction form
    216,874,016.70/325,562,967.45 = 130,709,715.90/x
  3. Step 3: Cross multiply
    216,874,016.70x = 325,562,967.45 × 130,709,715.90
  4. Step 4: Simplify right side
    216,874,016.70x = 42,554,242,982,950,448
  5. Step 5: Solve for x
    x = 42,554,242,982,950,448/216,874,016.70
  6. Step 6: Final answer
    x = 196,216,419.24

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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.