Home / 226,692,028.80-340,038,043.20-213,255,100.80

Finding the Fourth Proportional to 226,692,028.80, 340,038,043.20 and 213,255,100.80

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Solution

The fourth proportional to 226,692,028.80, 340,038,043.20 and 213,255,100.80 is: 319,882,651.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,692,028.80 : 340,038,043.20 = 213,255,100.80 : x
  2. Step 2: Convert to fraction form
    226,692,028.80/340,038,043.20 = 213,255,100.80/x
  3. Step 3: Cross multiply
    226,692,028.80x = 340,038,043.20 × 213,255,100.80
  4. Step 4: Simplify right side
    226,692,028.80x = 72,514,847,178,450,752
  5. Step 5: Solve for x
    x = 72,514,847,178,450,752/226,692,028.80
  6. Step 6: Final answer
    x = 319,882,651.20

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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.