Home / 161,008,017,589.50-222,201,005,355.72-88,749,919,707.54

Finding the Fourth Proportional to 161,008,017,589.50, 222,201,005,355.72 and 88,749,919,707.54

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Solution

The fourth proportional to 161,008,017,589.50, 222,201,005,355.72 and 88,749,919,707.54 is: 122,480,368,862.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,008,017,589.50 : 222,201,005,355.72 = 88,749,919,707.54 : x
  2. Step 2: Convert to fraction form
    161,008,017,589.50/222,201,005,355.72 = 88,749,919,707.54/x
  3. Step 3: Cross multiply
    161,008,017,589.50x = 222,201,005,355.72 × 88,749,919,707.54
  4. Step 4: Simplify right side
    161,008,017,589.50x = 19,720,321,384,254,814,552,064
  5. Step 5: Solve for x
    x = 19,720,321,384,254,814,552,064/161,008,017,589.50
  6. Step 6: Final answer
    x = 122,480,368,862.95

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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.