Home / 340,774,131.80-511,161,197.70-136,448,845.40

Finding the Fourth Proportional to 340,774,131.80, 511,161,197.70 and 136,448,845.40

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Solution

The fourth proportional to 340,774,131.80, 511,161,197.70 and 136,448,845.40 is: 204,673,268.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,774,131.80 : 511,161,197.70 = 136,448,845.40 : x
  2. Step 2: Convert to fraction form
    340,774,131.80/511,161,197.70 = 136,448,845.40/x
  3. Step 3: Cross multiply
    340,774,131.80x = 511,161,197.70 × 136,448,845.40
  4. Step 4: Simplify right side
    340,774,131.80x = 69,747,355,239,446,136
  5. Step 5: Solve for x
    x = 69,747,355,239,446,136/340,774,131.80
  6. Step 6: Final answer
    x = 204,673,268.10

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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.