Home / 291,048,865.23-401,646,493.17-158,891,495.16

Finding the Fourth Proportional to 291,048,865.23, 401,646,493.17 and 158,891,495.16

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Solution

The fourth proportional to 291,048,865.23, 401,646,493.17 and 158,891,495.16 is: 219,269,749.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,048,865.23 : 401,646,493.17 = 158,891,495.16 : x
  2. Step 2: Convert to fraction form
    291,048,865.23/401,646,493.17 = 158,891,495.16/x
  3. Step 3: Cross multiply
    291,048,865.23x = 401,646,493.17 × 158,891,495.16
  4. Step 4: Simplify right side
    291,048,865.23x = 63,818,211,825,552,032
  5. Step 5: Solve for x
    x = 63,818,211,825,552,032/291,048,865.23
  6. Step 6: Final answer
    x = 219,269,749.69

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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.