Home / 126,727,999.70-190,091,999.55-101,218,831.70

Finding the Fourth Proportional to 126,727,999.70, 190,091,999.55 and 101,218,831.70

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Solution

The fourth proportional to 126,727,999.70, 190,091,999.55 and 101,218,831.70 is: 151,828,247.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,727,999.70 : 190,091,999.55 = 101,218,831.70 : x
  2. Step 2: Convert to fraction form
    126,727,999.70/190,091,999.55 = 101,218,831.70/x
  3. Step 3: Cross multiply
    126,727,999.70x = 190,091,999.55 × 101,218,831.70
  4. Step 4: Simplify right side
    126,727,999.70x = 19,240,890,109,967,928
  5. Step 5: Solve for x
    x = 19,240,890,109,967,928/126,727,999.70
  6. Step 6: Final answer
    x = 151,828,247.55

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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.