Home / 329,554,810.80-494,332,216.20-99,494,001.90

Finding the Fourth Proportional to 329,554,810.80, 494,332,216.20 and 99,494,001.90

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Solution

The fourth proportional to 329,554,810.80, 494,332,216.20 and 99,494,001.90 is: 149,241,002.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,554,810.80 : 494,332,216.20 = 99,494,001.90 : x
  2. Step 2: Convert to fraction form
    329,554,810.80/494,332,216.20 = 99,494,001.90/x
  3. Step 3: Cross multiply
    329,554,810.80x = 494,332,216.20 × 99,494,001.90
  4. Step 4: Simplify right side
    329,554,810.80x = 49,183,090,457,834,016
  5. Step 5: Solve for x
    x = 49,183,090,457,834,016/329,554,810.80
  6. Step 6: Final answer
    x = 149,241,002.85

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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.