Home / 117,261,599,070.38-161,808,058,583.85-65,808,357,535.45

Finding the Fourth Proportional to 117,261,599,070.38, 161,808,058,583.85 and 65,808,357,535.45

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Solution

The fourth proportional to 117,261,599,070.38, 161,808,058,583.85 and 65,808,357,535.45 is: 90,808,266,779.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,261,599,070.38 : 161,808,058,583.85 = 65,808,357,535.45 : x
  2. Step 2: Convert to fraction form
    117,261,599,070.38/161,808,058,583.85 = 65,808,357,535.45/x
  3. Step 3: Cross multiply
    117,261,599,070.38x = 161,808,058,583.85 × 65,808,357,535.45
  4. Step 4: Simplify right side
    117,261,599,070.38x = 10,648,322,571,403,039,604,736
  5. Step 5: Solve for x
    x = 10,648,322,571,403,039,604,736/117,261,599,070.38
  6. Step 6: Final answer
    x = 90,808,266,779.75

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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.