Home / 289,751,204.30-434,626,806.45-74,340,452.30

Finding the Fourth Proportional to 289,751,204.30, 434,626,806.45 and 74,340,452.30

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Solution

The fourth proportional to 289,751,204.30, 434,626,806.45 and 74,340,452.30 is: 111,510,678.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,751,204.30 : 434,626,806.45 = 74,340,452.30 : x
  2. Step 2: Convert to fraction form
    289,751,204.30/434,626,806.45 = 74,340,452.30/x
  3. Step 3: Cross multiply
    289,751,204.30x = 434,626,806.45 × 74,340,452.30
  4. Step 4: Simplify right side
    289,751,204.30x = 32,310,353,373,197,556
  5. Step 5: Solve for x
    x = 32,310,353,373,197,556/289,751,204.30
  6. Step 6: Final answer
    x = 111,510,678.45

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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.