Home / 117,261,599,072.38-161,808,058,586.61-65,808,357,537.45

Finding the Fourth Proportional to 117,261,599,072.38, 161,808,058,586.61 and 65,808,357,537.45

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Solution

The fourth proportional to 117,261,599,072.38, 161,808,058,586.61 and 65,808,357,537.45 is: 90,808,266,782.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,261,599,072.38 : 161,808,058,586.61 = 65,808,357,537.45 : x
  2. Step 2: Convert to fraction form
    117,261,599,072.38/161,808,058,586.61 = 65,808,357,537.45/x
  3. Step 3: Cross multiply
    117,261,599,072.38x = 161,808,058,586.61 × 65,808,357,537.45
  4. Step 4: Simplify right side
    117,261,599,072.38x = 10,648,322,571,908,285,464,576
  5. Step 5: Solve for x
    x = 10,648,322,571,908,285,464,576/117,261,599,072.38
  6. Step 6: Final answer
    x = 90,808,266,782.51

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1.5x scale

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.