Home / 211,802,019.45-317,521,071.99-73,609,672.11

Finding the Fourth Proportional to 211,802,019.45, 317,521,071.99 and 73,609,672.11

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Solution

The fourth proportional to 211,802,019.45, 317,521,071.99 and 73,609,672.11 is: 110,351,270.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,802,019.45 : 317,521,071.99 = 73,609,672.11 : x
  2. Step 2: Convert to fraction form
    211,802,019.45/317,521,071.99 = 73,609,672.11/x
  3. Step 3: Cross multiply
    211,802,019.45x = 317,521,071.99 × 73,609,672.11
  4. Step 4: Simplify right side
    211,802,019.45x = 23,372,621,997,199,604
  5. Step 5: Solve for x
    x = 23,372,621,997,199,604/211,802,019.45
  6. Step 6: Final answer
    x = 110,351,270.77

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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.