Home / 265,890,516.24-366,990,134.42-155,917,658.64

Finding the Fourth Proportional to 265,890,516.24, 366,990,134.42 and 155,917,658.64

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Solution

The fourth proportional to 265,890,516.24, 366,990,134.42 and 155,917,658.64 is: 215,202,269.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,890,516.24 : 366,990,134.42 = 155,917,658.64 : x
  2. Step 2: Convert to fraction form
    265,890,516.24/366,990,134.42 = 155,917,658.64/x
  3. Step 3: Cross multiply
    265,890,516.24x = 366,990,134.42 × 155,917,658.64
  4. Step 4: Simplify right side
    265,890,516.24x = 57,220,242,502,745,272
  5. Step 5: Solve for x
    x = 57,220,242,502,745,272/265,890,516.24
  6. Step 6: Final answer
    x = 215,202,269.38

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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.