Home / 121,618,556.92-182,427,835.20-30,742,145.92

Finding the Fourth Proportional to 121,618,556.92, 182,427,835.20 and 30,742,145.92

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Solution

The fourth proportional to 121,618,556.92, 182,427,835.20 and 30,742,145.92 is: 46,113,218.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,618,556.92 : 182,427,835.20 = 30,742,145.92 : x
  2. Step 2: Convert to fraction form
    121,618,556.92/182,427,835.20 = 30,742,145.92/x
  3. Step 3: Cross multiply
    121,618,556.92x = 182,427,835.20 × 30,742,145.92
  4. Step 4: Simplify right side
    121,618,556.92x = 5,608,223,129,588,112
  5. Step 5: Solve for x
    x = 5,608,223,129,588,112/121,618,556.92
  6. Step 6: Final answer
    x = 46,113,218.83

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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.