Home / 79,058,899.36-118,622,433.84-30,570,891.04

Finding the Fourth Proportional to 79,058,899.36, 118,622,433.84 and 30,570,891.04

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Solution

The fourth proportional to 79,058,899.36, 118,622,433.84 and 30,570,891.04 is: 45,869,516.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,058,899.36 : 118,622,433.84 = 30,570,891.04 : x
  2. Step 2: Convert to fraction form
    79,058,899.36/118,622,433.84 = 30,570,891.04/x
  3. Step 3: Cross multiply
    79,058,899.36x = 118,622,433.84 × 30,570,891.04
  4. Step 4: Simplify right side
    79,058,899.36x = 3,626,393,499,822,249
  5. Step 5: Solve for x
    x = 3,626,393,499,822,249/79,058,899.36
  6. Step 6: Final answer
    x = 45,869,516.64

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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.