Home / 74,784,339.36-112,191,052.62-28,722,838.86

Finding the Fourth Proportional to 74,784,339.36, 112,191,052.62 and 28,722,838.86

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Solution

The fourth proportional to 74,784,339.36, 112,191,052.62 and 28,722,838.86 is: 43,089,844.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,784,339.36 : 112,191,052.62 = 28,722,838.86 : x
  2. Step 2: Convert to fraction form
    74,784,339.36/112,191,052.62 = 28,722,838.86/x
  3. Step 3: Cross multiply
    74,784,339.36x = 112,191,052.62 × 28,722,838.86
  4. Step 4: Simplify right side
    74,784,339.36x = 3,222,445,525,938,041
  5. Step 5: Solve for x
    x = 3,222,445,525,938,041/74,784,339.36
  6. Step 6: Final answer
    x = 43,089,844.12

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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.