Home / 117,845,934.77-162,632,458.38-65,634,993.65

Finding the Fourth Proportional to 117,845,934.77, 162,632,458.38 and 65,634,993.65

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Solution

The fourth proportional to 117,845,934.77, 162,632,458.38 and 65,634,993.65 is: 90,579,114.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,845,934.77 : 162,632,458.38 = 65,634,993.65 : x
  2. Step 2: Convert to fraction form
    117,845,934.77/162,632,458.38 = 65,634,993.65/x
  3. Step 3: Cross multiply
    117,845,934.77x = 162,632,458.38 × 65,634,993.65
  4. Step 4: Simplify right side
    117,845,934.77x = 10,674,380,373,055,188
  5. Step 5: Solve for x
    x = 10,674,380,373,055,188/117,845,934.77
  6. Step 6: Final answer
    x = 90,579,114.11

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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.