Home / 209,189,466-288,667,816.20-116,366,654.16

Finding the Fourth Proportional to 209,189,466, 288,667,816.20 and 116,366,654.16

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Solution

The fourth proportional to 209,189,466, 288,667,816.20 and 116,366,654.16 is: 160,578,391.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,189,466 : 288,667,816.20 = 116,366,654.16 : x
  2. Step 2: Convert to fraction form
    209,189,466/288,667,816.20 = 116,366,654.16/x
  3. Step 3: Cross multiply
    209,189,466x = 288,667,816.20 × 116,366,654.16
  4. Step 4: Simplify right side
    209,189,466x = 33,591,307,934,867,844
  5. Step 5: Solve for x
    x = 33,591,307,934,867,844/209,189,466
  6. Step 6: Final answer
    x = 160,578,391.34

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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.