Home / 103,458,675.98-155,200,020.60-34,377,644.54

Finding the Fourth Proportional to 103,458,675.98, 155,200,020.60 and 34,377,644.54

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Solution

The fourth proportional to 103,458,675.98, 155,200,020.60 and 34,377,644.54 is: 51,570,456.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,458,675.98 : 155,200,020.60 = 34,377,644.54 : x
  2. Step 2: Convert to fraction form
    103,458,675.98/155,200,020.60 = 34,377,644.54/x
  3. Step 3: Cross multiply
    103,458,675.98x = 155,200,020.60 × 34,377,644.54
  4. Step 4: Simplify right side
    103,458,675.98x = 5,335,411,140,787,477
  5. Step 5: Solve for x
    x = 5,335,411,140,787,477/103,458,675.98
  6. Step 6: Final answer
    x = 51,570,456.42

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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.