Home / 439,082,821.40-658,624,232.10-115,966,693.40

Finding the Fourth Proportional to 439,082,821.40, 658,624,232.10 and 115,966,693.40

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Solution

The fourth proportional to 439,082,821.40, 658,624,232.10 and 115,966,693.40 is: 173,950,040.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,082,821.40 : 658,624,232.10 = 115,966,693.40 : x
  2. Step 2: Convert to fraction form
    439,082,821.40/658,624,232.10 = 115,966,693.40/x
  3. Step 3: Cross multiply
    439,082,821.40x = 658,624,232.10 × 115,966,693.40
  4. Step 4: Simplify right side
    439,082,821.40x = 76,378,474,389,751,152
  5. Step 5: Solve for x
    x = 76,378,474,389,751,152/439,082,821.40
  6. Step 6: Final answer
    x = 173,950,040.10

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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.