Home / 265,890,812.25-366,990,543.51-155,917,954.65

Finding the Fourth Proportional to 265,890,812.25, 366,990,543.51 and 155,917,954.65

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Solution

The fourth proportional to 265,890,812.25, 366,990,543.51 and 155,917,954.65 is: 215,202,678.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,890,812.25 : 366,990,543.51 = 155,917,954.65 : x
  2. Step 2: Convert to fraction form
    265,890,812.25/366,990,543.51 = 155,917,954.65/x
  3. Step 3: Cross multiply
    265,890,812.25x = 366,990,543.51 × 155,917,954.65
  4. Step 4: Simplify right side
    265,890,812.25x = 57,220,414,919,971,032
  5. Step 5: Solve for x
    x = 57,220,414,919,971,032/265,890,812.25
  6. Step 6: Final answer
    x = 215,202,678.26

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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.