Home / 213,563,816.46-294,740,033.04-129,937,883.94

Finding the Fourth Proportional to 213,563,816.46, 294,740,033.04 and 129,937,883.94

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Solution

The fourth proportional to 213,563,816.46, 294,740,033.04 and 129,937,883.94 is: 179,327,644.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,563,816.46 : 294,740,033.04 = 129,937,883.94 : x
  2. Step 2: Convert to fraction form
    213,563,816.46/294,740,033.04 = 129,937,883.94/x
  3. Step 3: Cross multiply
    213,563,816.46x = 294,740,033.04 × 129,937,883.94
  4. Step 4: Simplify right side
    213,563,816.46x = 38,297,896,205,623,288
  5. Step 5: Solve for x
    x = 38,297,896,205,623,288/213,563,816.46
  6. Step 6: Final answer
    x = 179,327,644.73

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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.