Home / 127,134,078.20-190,701,117.30-31,395,966.20

Finding the Fourth Proportional to 127,134,078.20, 190,701,117.30 and 31,395,966.20

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Solution

The fourth proportional to 127,134,078.20, 190,701,117.30 and 31,395,966.20 is: 47,093,949.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,134,078.20 : 190,701,117.30 = 31,395,966.20 : x
  2. Step 2: Convert to fraction form
    127,134,078.20/190,701,117.30 = 31,395,966.20/x
  3. Step 3: Cross multiply
    127,134,078.20x = 190,701,117.30 × 31,395,966.20
  4. Step 4: Simplify right side
    127,134,078.20x = 5,987,245,833,053,035
  5. Step 5: Solve for x
    x = 5,987,245,833,053,035/127,134,078.20
  6. Step 6: Final answer
    x = 47,093,949.30

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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.