Home / 66,430,469.20-99,661,450.20-34,087,363.60

Finding the Fourth Proportional to 66,430,469.20, 99,661,450.20 and 34,087,363.60

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Solution

The fourth proportional to 66,430,469.20, 99,661,450.20 and 34,087,363.60 is: 51,139,125.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,430,469.20 : 99,661,450.20 = 34,087,363.60 : x
  2. Step 2: Convert to fraction form
    66,430,469.20/99,661,450.20 = 34,087,363.60/x
  3. Step 3: Cross multiply
    66,430,469.20x = 99,661,450.20 × 34,087,363.60
  4. Step 4: Simplify right side
    66,430,469.20x = 3,397,196,089,870,693
  5. Step 5: Solve for x
    x = 3,397,196,089,870,693/66,430,469.20
  6. Step 6: Final answer
    x = 51,139,125.33

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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.