Home / 240,765,436.80-332,284,667.04-142,980,292.80

Finding the Fourth Proportional to 240,765,436.80, 332,284,667.04 and 142,980,292.80

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Solution

The fourth proportional to 240,765,436.80, 332,284,667.04 and 142,980,292.80 is: 197,329,648.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,765,436.80 : 332,284,667.04 = 142,980,292.80 : x
  2. Step 2: Convert to fraction form
    240,765,436.80/332,284,667.04 = 142,980,292.80/x
  3. Step 3: Cross multiply
    240,765,436.80x = 332,284,667.04 × 142,980,292.80
  4. Step 4: Simplify right side
    240,765,436.80x = 47,510,158,986,329,720
  5. Step 5: Solve for x
    x = 47,510,158,986,329,720/240,765,436.80
  6. Step 6: Final answer
    x = 197,329,648.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.