Home / 127,239,132.36-190,853,367.66-40,975,629.24

Finding the Fourth Proportional to 127,239,132.36, 190,853,367.66 and 40,975,629.24

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Solution

The fourth proportional to 127,239,132.36, 190,853,367.66 and 40,975,629.24 is: 61,461,727.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,239,132.36 : 190,853,367.66 = 40,975,629.24 : x
  2. Step 2: Convert to fraction form
    127,239,132.36/190,853,367.66 = 40,975,629.24/x
  3. Step 3: Cross multiply
    127,239,132.36x = 190,853,367.66 × 40,975,629.24
  4. Step 4: Simplify right side
    127,239,132.36x = 7,820,336,832,441,567
  5. Step 5: Solve for x
    x = 7,820,336,832,441,567/127,239,132.36
  6. Step 6: Final answer
    x = 61,461,727.12

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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.