Home / 127,194,471.45-190,791,707.18-106,388,556.30

Finding the Fourth Proportional to 127,194,471.45, 190,791,707.18 and 106,388,556.30

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Solution

The fourth proportional to 127,194,471.45, 190,791,707.18 and 106,388,556.30 is: 159,582,834.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,194,471.45 : 190,791,707.18 = 106,388,556.30 : x
  2. Step 2: Convert to fraction form
    127,194,471.45/190,791,707.18 = 106,388,556.30/x
  3. Step 3: Cross multiply
    127,194,471.45x = 190,791,707.18 × 106,388,556.30
  4. Step 4: Simplify right side
    127,194,471.45x = 20,298,054,280,360,604
  5. Step 5: Solve for x
    x = 20,298,054,280,360,604/127,194,471.45
  6. Step 6: Final answer
    x = 159,582,834.45

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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.