Home / 79,147,838.25-118,707,794.66-30,585,768.39

Finding the Fourth Proportional to 79,147,838.25, 118,707,794.66 and 30,585,768.39

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Solution

The fourth proportional to 79,147,838.25, 118,707,794.66 and 30,585,768.39 is: 45,873,256.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,147,838.25 : 118,707,794.66 = 30,585,768.39 : x
  2. Step 2: Convert to fraction form
    79,147,838.25/118,707,794.66 = 30,585,768.39/x
  3. Step 3: Cross multiply
    79,147,838.25x = 118,707,794.66 × 30,585,768.39
  4. Step 4: Simplify right side
    79,147,838.25x = 3,630,769,113,634,903
  5. Step 5: Solve for x
    x = 3,630,769,113,634,903/79,147,838.25
  6. Step 6: Final answer
    x = 45,873,256.86

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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.