Home / 127,194,816.20-190,792,224.30-94,909,775.45

Finding the Fourth Proportional to 127,194,816.20, 190,792,224.30 and 94,909,775.45

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Solution

The fourth proportional to 127,194,816.20, 190,792,224.30 and 94,909,775.45 is: 142,364,663.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,194,816.20 : 190,792,224.30 = 94,909,775.45 : x
  2. Step 2: Convert to fraction form
    127,194,816.20/190,792,224.30 = 94,909,775.45/x
  3. Step 3: Cross multiply
    127,194,816.20x = 190,792,224.30 × 94,909,775.45
  4. Step 4: Simplify right side
    127,194,816.20x = 18,108,047,165,919,036
  5. Step 5: Solve for x
    x = 18,108,047,165,919,036/127,194,816.20
  6. Step 6: Final answer
    x = 142,364,663.18

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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.