Home / 197,770,831.41-272,910,443.67-109,661,567.25

Finding the Fourth Proportional to 197,770,831.41, 272,910,443.67 and 109,661,567.25

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Solution

The fourth proportional to 197,770,831.41, 272,910,443.67 and 109,661,567.25 is: 151,325,586.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,770,831.41 : 272,910,443.67 = 109,661,567.25 : x
  2. Step 2: Convert to fraction form
    197,770,831.41/272,910,443.67 = 109,661,567.25/x
  3. Step 3: Cross multiply
    197,770,831.41x = 272,910,443.67 × 109,661,567.25
  4. Step 4: Simplify right side
    197,770,831.41x = 29,927,786,971,745,044
  5. Step 5: Solve for x
    x = 29,927,786,971,745,044/197,770,831.41
  6. Step 6: Final answer
    x = 151,325,586.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.