Home / 271,172,021.20-406,758,031.80-89,395,579.60

Finding the Fourth Proportional to 271,172,021.20, 406,758,031.80 and 89,395,579.60

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Solution

The fourth proportional to 271,172,021.20, 406,758,031.80 and 89,395,579.60 is: 134,093,369.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,172,021.20 : 406,758,031.80 = 89,395,579.60 : x
  2. Step 2: Convert to fraction form
    271,172,021.20/406,758,031.80 = 89,395,579.60/x
  3. Step 3: Cross multiply
    271,172,021.20x = 406,758,031.80 × 89,395,579.60
  4. Step 4: Simplify right side
    271,172,021.20x = 36,362,370,009,716,232
  5. Step 5: Solve for x
    x = 36,362,370,009,716,232/271,172,021.20
  6. Step 6: Final answer
    x = 134,093,369.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.