Home / 213,417,084.33-294,401,969.33-129,810,786.21

Finding the Fourth Proportional to 213,417,084.33, 294,401,969.33 and 129,810,786.21

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Solution

The fourth proportional to 213,417,084.33, 294,401,969.33 and 129,810,786.21 is: 179,069,783.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,417,084.33 : 294,401,969.33 = 129,810,786.21 : x
  2. Step 2: Convert to fraction form
    213,417,084.33/294,401,969.33 = 129,810,786.21/x
  3. Step 3: Cross multiply
    213,417,084.33x = 294,401,969.33 × 129,810,786.21
  4. Step 4: Simplify right side
    213,417,084.33x = 38,216,551,099,850,552
  5. Step 5: Solve for x
    x = 38,216,551,099,850,552/213,417,084.33
  6. Step 6: Final answer
    x = 179,069,783.56

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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.