Home / 414,072,002.10-621,108,003.15-122,984,051.70

Finding the Fourth Proportional to 414,072,002.10, 621,108,003.15 and 122,984,051.70

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Solution

The fourth proportional to 414,072,002.10, 621,108,003.15 and 122,984,051.70 is: 184,476,077.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,072,002.10 : 621,108,003.15 = 122,984,051.70 : x
  2. Step 2: Convert to fraction form
    414,072,002.10/621,108,003.15 = 122,984,051.70/x
  3. Step 3: Cross multiply
    414,072,002.10x = 621,108,003.15 × 122,984,051.70
  4. Step 4: Simplify right side
    414,072,002.10x = 76,386,378,770,683,360
  5. Step 5: Solve for x
    x = 76,386,378,770,683,360/414,072,002.10
  6. Step 6: Final answer
    x = 184,476,077.55

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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.