Home / 74,784,336.75-112,191,048.72-28,722,836.25

Finding the Fourth Proportional to 74,784,336.75, 112,191,048.72 and 28,722,836.25

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Solution

The fourth proportional to 74,784,336.75, 112,191,048.72 and 28,722,836.25 is: 43,089,840.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,784,336.75 : 112,191,048.72 = 28,722,836.25 : x
  2. Step 2: Convert to fraction form
    74,784,336.75/112,191,048.72 = 28,722,836.25/x
  3. Step 3: Cross multiply
    74,784,336.75x = 112,191,048.72 × 28,722,836.25
  4. Step 4: Simplify right side
    74,784,336.75x = 3,222,445,121,100,332
  5. Step 5: Solve for x
    x = 3,222,445,121,100,332/74,784,336.75
  6. Step 6: Final answer
    x = 43,089,840.21

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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.