Home / 121,618,556.42-182,427,834.45-30,742,145.42

Finding the Fourth Proportional to 121,618,556.42, 182,427,834.45 and 30,742,145.42

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Solution

The fourth proportional to 121,618,556.42, 182,427,834.45 and 30,742,145.42 is: 46,113,218.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,618,556.42 : 182,427,834.45 = 30,742,145.42 : x
  2. Step 2: Convert to fraction form
    121,618,556.42/182,427,834.45 = 30,742,145.42/x
  3. Step 3: Cross multiply
    121,618,556.42x = 182,427,834.45 × 30,742,145.42
  4. Step 4: Simplify right side
    121,618,556.42x = 5,608,223,015,317,586
  5. Step 5: Solve for x
    x = 5,608,223,015,317,586/121,618,556.42
  6. Step 6: Final answer
    x = 46,113,218.08

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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.