Home / 75,698,007.36-113,546,999.04-18,190,278.72

Finding the Fourth Proportional to 75,698,007.36, 113,546,999.04 and 18,190,278.72

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Solution

The fourth proportional to 75,698,007.36, 113,546,999.04 and 18,190,278.72 is: 27,285,415.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,698,007.36 : 113,546,999.04 = 18,190,278.72 : x
  2. Step 2: Convert to fraction form
    75,698,007.36/113,546,999.04 = 18,190,278.72/x
  3. Step 3: Cross multiply
    75,698,007.36x = 113,546,999.04 × 18,190,278.72
  4. Step 4: Simplify right side
    75,698,007.36x = 2,065,451,560,357,172.50
  5. Step 5: Solve for x
    x = 2,065,451,560,357,172.50/75,698,007.36
  6. Step 6: Final answer
    x = 27,285,415.20

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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.