Home / 43,110,121.59-64,664,573.32-20,068,168.44

Finding the Fourth Proportional to 43,110,121.59, 64,664,573.32 and 20,068,168.44

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Solution

The fourth proportional to 43,110,121.59, 64,664,573.32 and 20,068,168.44 is: 30,101,969.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,110,121.59 : 64,664,573.32 = 20,068,168.44 : x
  2. Step 2: Convert to fraction form
    43,110,121.59/64,664,573.32 = 20,068,168.44/x
  3. Step 3: Cross multiply
    43,110,121.59x = 64,664,573.32 × 20,068,168.44
  4. Step 4: Simplify right side
    43,110,121.59x = 1,297,699,549,486,490
  5. Step 5: Solve for x
    x = 1,297,699,549,486,490/43,110,121.59
  6. Step 6: Final answer
    x = 30,101,969.13

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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.