Home / 265,890,523.86-366,990,144.93-155,917,666.26

Finding the Fourth Proportional to 265,890,523.86, 366,990,144.93 and 155,917,666.26

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Solution

The fourth proportional to 265,890,523.86, 366,990,144.93 and 155,917,666.26 is: 215,202,279.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,890,523.86 : 366,990,144.93 = 155,917,666.26 : x
  2. Step 2: Convert to fraction form
    265,890,523.86/366,990,144.93 = 155,917,666.26/x
  3. Step 3: Cross multiply
    265,890,523.86x = 366,990,144.93 × 155,917,666.26
  4. Step 4: Simplify right side
    265,890,523.86x = 57,220,246,937,904,768
  5. Step 5: Solve for x
    x = 57,220,246,937,904,768/265,890,523.86
  6. Step 6: Final answer
    x = 215,202,279.90

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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.