Home / 209,275,228.80-313,345,972.80-163,925,596.80

Finding the Fourth Proportional to 209,275,228.80, 313,345,972.80 and 163,925,596.80

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Solution

The fourth proportional to 209,275,228.80, 313,345,972.80 and 163,925,596.80 is: 245,444,364.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,275,228.80 : 313,345,972.80 = 163,925,596.80 : x
  2. Step 2: Convert to fraction form
    209,275,228.80/313,345,972.80 = 163,925,596.80/x
  3. Step 3: Cross multiply
    209,275,228.80x = 313,345,972.80 × 163,925,596.80
  4. Step 4: Simplify right side
    209,275,228.80x = 51,365,425,596,116,576
  5. Step 5: Solve for x
    x = 51,365,425,596,116,576/209,275,228.80
  6. Step 6: Final answer
    x = 245,444,364.78

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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.