Home / 127,116,015.30-190,674,022.95-98,418,201.30

Finding the Fourth Proportional to 127,116,015.30, 190,674,022.95 and 98,418,201.30

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Solution

The fourth proportional to 127,116,015.30, 190,674,022.95 and 98,418,201.30 is: 147,627,301.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,116,015.30 : 190,674,022.95 = 98,418,201.30 : x
  2. Step 2: Convert to fraction form
    127,116,015.30/190,674,022.95 = 98,418,201.30/x
  3. Step 3: Cross multiply
    127,116,015.30x = 190,674,022.95 × 98,418,201.30
  4. Step 4: Simplify right side
    127,116,015.30x = 18,765,794,373,373,920
  5. Step 5: Solve for x
    x = 18,765,794,373,373,920/127,116,015.30
  6. Step 6: Final answer
    x = 147,627,301.95

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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.