Home / 203,009,370.72-280,153,158.48-110,189,853.96

Finding the Fourth Proportional to 203,009,370.72, 280,153,158.48 and 110,189,853.96

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Solution

The fourth proportional to 203,009,370.72, 280,153,158.48 and 110,189,853.96 is: 152,062,121.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,009,370.72 : 280,153,158.48 = 110,189,853.96 : x
  2. Step 2: Convert to fraction form
    203,009,370.72/280,153,158.48 = 110,189,853.96/x
  3. Step 3: Cross multiply
    203,009,370.72x = 280,153,158.48 × 110,189,853.96
  4. Step 4: Simplify right side
    203,009,370.72x = 30,870,035,619,343,936
  5. Step 5: Solve for x
    x = 30,870,035,619,343,936/203,009,370.72
  6. Step 6: Final answer
    x = 152,062,121.61

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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.