Home / 260,868,976.10-359,997,064.97-143,393,057.31

Finding the Fourth Proportional to 260,868,976.10, 359,997,064.97 and 143,393,057.31

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Solution

The fourth proportional to 260,868,976.10, 359,997,064.97 and 143,393,057.31 is: 197,881,252.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,868,976.10 : 359,997,064.97 = 143,393,057.31 : x
  2. Step 2: Convert to fraction form
    260,868,976.10/359,997,064.97 = 143,393,057.31/x
  3. Step 3: Cross multiply
    260,868,976.10x = 359,997,064.97 × 143,393,057.31
  4. Step 4: Simplify right side
    260,868,976.10x = 51,621,079,767,958,032
  5. Step 5: Solve for x
    x = 51,621,079,767,958,032/260,868,976.10
  6. Step 6: Final answer
    x = 197,881,252.65

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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.