Home / 197,982,810.36-273,092,000.72-117,457,791.12

Finding the Fourth Proportional to 197,982,810.36, 273,092,000.72 and 117,457,791.12

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Solution

The fourth proportional to 197,982,810.36, 273,092,000.72 and 117,457,791.12 is: 162,018,021.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,982,810.36 : 273,092,000.72 = 117,457,791.12 : x
  2. Step 2: Convert to fraction form
    197,982,810.36/273,092,000.72 = 117,457,791.12/x
  3. Step 3: Cross multiply
    197,982,810.36x = 273,092,000.72 × 117,457,791.12
  4. Step 4: Simplify right side
    197,982,810.36x = 32,076,783,176,525,360
  5. Step 5: Solve for x
    x = 32,076,783,176,525,360/197,982,810.36
  6. Step 6: Final answer
    x = 162,018,021.25

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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.