Home / 209,307,768.50-288,844,720.53-116,510,198.29

Finding the Fourth Proportional to 209,307,768.50, 288,844,720.53 and 116,510,198.29

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Solution

The fourth proportional to 209,307,768.50, 288,844,720.53 and 116,510,198.29 is: 160,784,073.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,307,768.50 : 288,844,720.53 = 116,510,198.29 : x
  2. Step 2: Convert to fraction form
    209,307,768.50/288,844,720.53 = 116,510,198.29/x
  3. Step 3: Cross multiply
    209,307,768.50x = 288,844,720.53 × 116,510,198.29
  4. Step 4: Simplify right side
    209,307,768.50x = 33,653,355,663,969,932
  5. Step 5: Solve for x
    x = 33,653,355,663,969,932/209,307,768.50
  6. Step 6: Final answer
    x = 160,784,073.64

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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.