Home / 255,131,364.64-382,758,006.84-82,608,368.80

Finding the Fourth Proportional to 255,131,364.64, 382,758,006.84 and 82,608,368.80

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Solution

The fourth proportional to 255,131,364.64, 382,758,006.84 and 82,608,368.80 is: 123,932,291.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,131,364.64 : 382,758,006.84 = 82,608,368.80 : x
  2. Step 2: Convert to fraction form
    255,131,364.64/382,758,006.84 = 82,608,368.80/x
  3. Step 3: Cross multiply
    255,131,364.64x = 382,758,006.84 × 82,608,368.80
  4. Step 4: Simplify right side
    255,131,364.64x = 31,619,014,590,191,640
  5. Step 5: Solve for x
    x = 31,619,014,590,191,640/255,131,364.64
  6. Step 6: Final answer
    x = 123,932,291.25

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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.