Home / 220,678,045.20-331,017,067.80-186,240,668.40

Finding the Fourth Proportional to 220,678,045.20, 331,017,067.80 and 186,240,668.40

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Solution

The fourth proportional to 220,678,045.20, 331,017,067.80 and 186,240,668.40 is: 279,361,002.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,678,045.20 : 331,017,067.80 = 186,240,668.40 : x
  2. Step 2: Convert to fraction form
    220,678,045.20/331,017,067.80 = 186,240,668.40/x
  3. Step 3: Cross multiply
    220,678,045.20x = 331,017,067.80 × 186,240,668.40
  4. Step 4: Simplify right side
    220,678,045.20x = 61,648,839,958,880,120
  5. Step 5: Solve for x
    x = 61,648,839,958,880,120/220,678,045.20
  6. Step 6: Final answer
    x = 279,361,002.60

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1.5x scale

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.