Home / 136,219,320.53-188,089,770.93-109,673,350.13

Finding the Fourth Proportional to 136,219,320.53, 188,089,770.93 and 109,673,350.13

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Solution

The fourth proportional to 136,219,320.53, 188,089,770.93 and 109,673,350.13 is: 151,435,458.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,219,320.53 : 188,089,770.93 = 109,673,350.13 : x
  2. Step 2: Convert to fraction form
    136,219,320.53/188,089,770.93 = 109,673,350.13/x
  3. Step 3: Cross multiply
    136,219,320.53x = 188,089,770.93 × 109,673,350.13
  4. Step 4: Simplify right side
    136,219,320.53x = 20,628,435,303,077,384
  5. Step 5: Solve for x
    x = 20,628,435,303,077,384/136,219,320.53
  6. Step 6: Final answer
    x = 151,435,458.81

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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.