Home / 127,053,786.68-190,540,323.53-40,772,015.27

Finding the Fourth Proportional to 127,053,786.68, 190,540,323.53 and 40,772,015.27

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Solution

The fourth proportional to 127,053,786.68, 190,540,323.53 and 40,772,015.27 is: 61,145,072.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,053,786.68 : 190,540,323.53 = 40,772,015.27 : x
  2. Step 2: Convert to fraction form
    127,053,786.68/190,540,323.53 = 40,772,015.27/x
  3. Step 3: Cross multiply
    127,053,786.68x = 190,540,323.53 × 40,772,015.27
  4. Step 4: Simplify right side
    127,053,786.68x = 7,768,712,980,515,901
  5. Step 5: Solve for x
    x = 7,768,712,980,515,901/127,053,786.68
  6. Step 6: Final answer
    x = 61,145,072.36

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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.