Home / 217,780,103-300,532,741.56-118,661,670.83

Finding the Fourth Proportional to 217,780,103, 300,532,741.56 and 118,661,670.83

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Solution

The fourth proportional to 217,780,103, 300,532,741.56 and 118,661,670.83 is: 163,751,034.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,780,103 : 300,532,741.56 = 118,661,670.83 : x
  2. Step 2: Convert to fraction form
    217,780,103/300,532,741.56 = 118,661,670.83/x
  3. Step 3: Cross multiply
    217,780,103x = 300,532,741.56 × 118,661,670.83
  4. Step 4: Simplify right side
    217,780,103x = 35,661,717,252,630,180
  5. Step 5: Solve for x
    x = 35,661,717,252,630,180/217,780,103
  6. Step 6: Final answer
    x = 163,751,034.93

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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.