Home / 252,227,559.10-378,341,338.65-115,912,942.60

Finding the Fourth Proportional to 252,227,559.10, 378,341,338.65 and 115,912,942.60

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Solution

The fourth proportional to 252,227,559.10, 378,341,338.65 and 115,912,942.60 is: 173,869,413.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,227,559.10 : 378,341,338.65 = 115,912,942.60 : x
  2. Step 2: Convert to fraction form
    252,227,559.10/378,341,338.65 = 115,912,942.60/x
  3. Step 3: Cross multiply
    252,227,559.10x = 378,341,338.65 × 115,912,942.60
  4. Step 4: Simplify right side
    252,227,559.10x = 43,854,657,870,144,608
  5. Step 5: Solve for x
    x = 43,854,657,870,144,608/252,227,559.10
  6. Step 6: Final answer
    x = 173,869,413.90

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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.