Home / 291,094,209.22-401,699,461.26-158,932,771.33

Finding the Fourth Proportional to 291,094,209.22, 401,699,461.26 and 158,932,771.33

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Solution

The fourth proportional to 291,094,209.22, 401,699,461.26 and 158,932,771.33 is: 219,321,465.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,094,209.22 : 401,699,461.26 = 158,932,771.33 : x
  2. Step 2: Convert to fraction form
    291,094,209.22/401,699,461.26 = 158,932,771.33/x
  3. Step 3: Cross multiply
    291,094,209.22x = 401,699,461.26 × 158,932,771.33
  4. Step 4: Simplify right side
    291,094,209.22x = 63,843,208,619,819,776
  5. Step 5: Solve for x
    x = 63,843,208,619,819,776/291,094,209.22
  6. Step 6: Final answer
    x = 219,321,465.69

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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.