Home / 211,976,029.20-317,964,043.80-166,059,526.80

Finding the Fourth Proportional to 211,976,029.20, 317,964,043.80 and 166,059,526.80

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Solution

The fourth proportional to 211,976,029.20, 317,964,043.80 and 166,059,526.80 is: 249,089,290.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,976,029.20 : 317,964,043.80 = 166,059,526.80 : x
  2. Step 2: Convert to fraction form
    211,976,029.20/317,964,043.80 = 166,059,526.80/x
  3. Step 3: Cross multiply
    211,976,029.20x = 317,964,043.80 × 166,059,526.80
  4. Step 4: Simplify right side
    211,976,029.20x = 52,800,958,652,842,480
  5. Step 5: Solve for x
    x = 52,800,958,652,842,480/211,976,029.20
  6. Step 6: Final answer
    x = 249,089,290.20

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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.