Home / 291,259,055.08-401,929,821.54-160,876,063.72

Finding the Fourth Proportional to 291,259,055.08, 401,929,821.54 and 160,876,063.72

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Solution

The fourth proportional to 291,259,055.08, 401,929,821.54 and 160,876,063.72 is: 222,004,728.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,259,055.08 : 401,929,821.54 = 160,876,063.72 : x
  2. Step 2: Convert to fraction form
    291,259,055.08/401,929,821.54 = 160,876,063.72/x
  3. Step 3: Cross multiply
    291,259,055.08x = 401,929,821.54 × 160,876,063.72
  4. Step 4: Simplify right side
    291,259,055.08x = 64,660,887,581,037,272
  5. Step 5: Solve for x
    x = 64,660,887,581,037,272/291,259,055.08
  6. Step 6: Final answer
    x = 222,004,728.96

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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.