Home / 139,519,333.86-192,535,152.84-76,794,090.75

Finding the Fourth Proportional to 139,519,333.86, 192,535,152.84 and 76,794,090.75

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Solution

The fourth proportional to 139,519,333.86, 192,535,152.84 and 76,794,090.75 is: 105,975,004.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,519,333.86 : 192,535,152.84 = 76,794,090.75 : x
  2. Step 2: Convert to fraction form
    139,519,333.86/192,535,152.84 = 76,794,090.75/x
  3. Step 3: Cross multiply
    139,519,333.86x = 192,535,152.84 × 76,794,090.75
  4. Step 4: Simplify right side
    139,519,333.86x = 14,785,561,999,760,080
  5. Step 5: Solve for x
    x = 14,785,561,999,760,080/139,519,333.86
  6. Step 6: Final answer
    x = 105,975,004.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.