Home / 215,743,612.93-323,621,448.82-70,177,174.86

Finding the Fourth Proportional to 215,743,612.93, 323,621,448.82 and 70,177,174.86

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Solution

The fourth proportional to 215,743,612.93, 323,621,448.82 and 70,177,174.86 is: 105,267,723.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,743,612.93 : 323,621,448.82 = 70,177,174.86 : x
  2. Step 2: Convert to fraction form
    215,743,612.93/323,621,448.82 = 70,177,174.86/x
  3. Step 3: Cross multiply
    215,743,612.93x = 323,621,448.82 × 70,177,174.86
  4. Step 4: Simplify right side
    215,743,612.93x = 22,710,839,003,325,816
  5. Step 5: Solve for x
    x = 22,710,839,003,325,816/215,743,612.93
  6. Step 6: Final answer
    x = 105,267,723.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.