Home / 313,745,049.03-470,675,033.46-129,411,969.06

Finding the Fourth Proportional to 313,745,049.03, 470,675,033.46 and 129,411,969.06

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Solution

The fourth proportional to 313,745,049.03, 470,675,033.46 and 129,411,969.06 is: 194,141,654.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,745,049.03 : 470,675,033.46 = 129,411,969.06 : x
  2. Step 2: Convert to fraction form
    313,745,049.03/470,675,033.46 = 129,411,969.06/x
  3. Step 3: Cross multiply
    313,745,049.03x = 470,675,033.46 × 129,411,969.06
  4. Step 4: Simplify right side
    313,745,049.03x = 60,910,982,867,439,984
  5. Step 5: Solve for x
    x = 60,910,982,867,439,984/313,745,049.03
  6. Step 6: Final answer
    x = 194,141,654.36

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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.