Home / 127,528,211.80-191,292,317.70-50,863,072.60

Finding the Fourth Proportional to 127,528,211.80, 191,292,317.70 and 50,863,072.60

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Solution

The fourth proportional to 127,528,211.80, 191,292,317.70 and 50,863,072.60 is: 76,294,608.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,528,211.80 : 191,292,317.70 = 50,863,072.60 : x
  2. Step 2: Convert to fraction form
    127,528,211.80/191,292,317.70 = 50,863,072.60/x
  3. Step 3: Cross multiply
    127,528,211.80x = 191,292,317.70 × 50,863,072.60
  4. Step 4: Simplify right side
    127,528,211.80x = 9,729,715,042,997,364
  5. Step 5: Solve for x
    x = 9,729,715,042,997,364/127,528,211.80
  6. Step 6: Final answer
    x = 76,294,608.90

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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.