Home / 228,726,433.35-315,644,450.91-124,304,526.21

Finding the Fourth Proportional to 228,726,433.35, 315,644,450.91 and 124,304,526.21

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Solution

The fourth proportional to 228,726,433.35, 315,644,450.91 and 124,304,526.21 is: 171,541,318.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,726,433.35 : 315,644,450.91 = 124,304,526.21 : x
  2. Step 2: Convert to fraction form
    228,726,433.35/315,644,450.91 = 124,304,526.21/x
  3. Step 3: Cross multiply
    228,726,433.35x = 315,644,450.91 × 124,304,526.21
  4. Step 4: Simplify right side
    228,726,433.35x = 39,236,033,921,183,152
  5. Step 5: Solve for x
    x = 39,236,033,921,183,152/228,726,433.35
  6. Step 6: Final answer
    x = 171,541,318.36

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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.