Home / 126,784,361.36-190,145,933.52-52,968,256.40

Finding the Fourth Proportional to 126,784,361.36, 190,145,933.52 and 52,968,256.40

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Solution

The fourth proportional to 126,784,361.36, 190,145,933.52 and 52,968,256.40 is: 79,439,596.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,784,361.36 : 190,145,933.52 = 52,968,256.40 : x
  2. Step 2: Convert to fraction form
    126,784,361.36/190,145,933.52 = 52,968,256.40/x
  3. Step 3: Cross multiply
    126,784,361.36x = 190,145,933.52 × 52,968,256.40
  4. Step 4: Simplify right side
    126,784,361.36x = 10,071,698,560,104,714
  5. Step 5: Solve for x
    x = 10,071,698,560,104,714/126,784,361.36
  6. Step 6: Final answer
    x = 79,439,596.90

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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.