Home / 136,219,320.90-188,089,771.41-109,673,350.47

Finding the Fourth Proportional to 136,219,320.90, 188,089,771.41 and 109,673,350.47

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Solution

The fourth proportional to 136,219,320.90, 188,089,771.41 and 109,673,350.47 is: 151,435,459.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,219,320.90 : 188,089,771.41 = 109,673,350.47 : x
  2. Step 2: Convert to fraction form
    136,219,320.90/188,089,771.41 = 109,673,350.47/x
  3. Step 3: Cross multiply
    136,219,320.90x = 188,089,771.41 × 109,673,350.47
  4. Step 4: Simplify right side
    136,219,320.90x = 20,628,435,419,671,116
  5. Step 5: Solve for x
    x = 20,628,435,419,671,116/136,219,320.90
  6. Step 6: Final answer
    x = 151,435,459.25

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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.