Home / 74,172,601.80-111,258,902.70-51,214,350.60

Finding the Fourth Proportional to 74,172,601.80, 111,258,902.70 and 51,214,350.60

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Solution

The fourth proportional to 74,172,601.80, 111,258,902.70 and 51,214,350.60 is: 76,821,525.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,172,601.80 : 111,258,902.70 = 51,214,350.60 : x
  2. Step 2: Convert to fraction form
    74,172,601.80/111,258,902.70 = 51,214,350.60/x
  3. Step 3: Cross multiply
    74,172,601.80x = 111,258,902.70 × 51,214,350.60
  4. Step 4: Simplify right side
    74,172,601.80x = 5,698,052,450,249,087
  5. Step 5: Solve for x
    x = 5,698,052,450,249,087/74,172,601.80
  6. Step 6: Final answer
    x = 76,821,525.90

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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.