Home / 209,201,419.66-313,802,127.93-76,264,245.28

Finding the Fourth Proportional to 209,201,419.66, 313,802,127.93 and 76,264,245.28

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Solution

The fourth proportional to 209,201,419.66, 313,802,127.93 and 76,264,245.28 is: 114,396,367.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,201,419.66 : 313,802,127.93 = 76,264,245.28 : x
  2. Step 2: Convert to fraction form
    209,201,419.66/313,802,127.93 = 76,264,245.28/x
  3. Step 3: Cross multiply
    209,201,419.66x = 313,802,127.93 × 76,264,245.28
  4. Step 4: Simplify right side
    209,201,419.66x = 23,931,882,453,839,460
  5. Step 5: Solve for x
    x = 23,931,882,453,839,460/209,201,419.66
  6. Step 6: Final answer
    x = 114,396,367.35

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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.