Home / 271,325,680.81-406,991,039.88-77,237,088.94

Finding the Fourth Proportional to 271,325,680.81, 406,991,039.88 and 77,237,088.94

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Solution

The fourth proportional to 271,325,680.81, 406,991,039.88 and 77,237,088.94 is: 115,856,350.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,325,680.81 : 406,991,039.88 = 77,237,088.94 : x
  2. Step 2: Convert to fraction form
    271,325,680.81/406,991,039.88 = 77,237,088.94/x
  3. Step 3: Cross multiply
    271,325,680.81x = 406,991,039.88 × 77,237,088.94
  4. Step 4: Simplify right side
    271,325,680.81x = 31,434,803,144,994,644
  5. Step 5: Solve for x
    x = 31,434,803,144,994,644/271,325,680.81
  6. Step 6: Final answer
    x = 115,856,350.39

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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.