Home / 250,989,051.87-346,405,967.69-209,106,703.44

Finding the Fourth Proportional to 250,989,051.87, 346,405,967.69 and 209,106,703.44

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Solution

The fourth proportional to 250,989,051.87, 346,405,967.69 and 209,106,703.44 is: 288,601,472.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,989,051.87 : 346,405,967.69 = 209,106,703.44 : x
  2. Step 2: Convert to fraction form
    250,989,051.87/346,405,967.69 = 209,106,703.44/x
  3. Step 3: Cross multiply
    250,989,051.87x = 346,405,967.69 × 209,106,703.44
  4. Step 4: Simplify right side
    250,989,051.87x = 72,435,809,954,553,520
  5. Step 5: Solve for x
    x = 72,435,809,954,553,520/250,989,051.87
  6. Step 6: Final answer
    x = 288,601,472.51

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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.