Home / 342,144,738.40-513,217,107.60-160,410,287.20

Finding the Fourth Proportional to 342,144,738.40, 513,217,107.60 and 160,410,287.20

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Solution

The fourth proportional to 342,144,738.40, 513,217,107.60 and 160,410,287.20 is: 240,615,430.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,144,738.40 : 513,217,107.60 = 160,410,287.20 : x
  2. Step 2: Convert to fraction form
    342,144,738.40/513,217,107.60 = 160,410,287.20/x
  3. Step 3: Cross multiply
    342,144,738.40x = 513,217,107.60 × 160,410,287.20
  4. Step 4: Simplify right side
    342,144,738.40x = 82,325,303,626,069,296
  5. Step 5: Solve for x
    x = 82,325,303,626,069,296/342,144,738.40
  6. Step 6: Final answer
    x = 240,615,430.80

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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.