Home / 255,062,707.80-382,027,191.30-209,713,075.80

Finding the Fourth Proportional to 255,062,707.80, 382,027,191.30 and 209,713,075.80

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Solution

The fourth proportional to 255,062,707.80, 382,027,191.30 and 209,713,075.80 is: 314,103,531.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,062,707.80 : 382,027,191.30 = 209,713,075.80 : x
  2. Step 2: Convert to fraction form
    255,062,707.80/382,027,191.30 = 209,713,075.80/x
  3. Step 3: Cross multiply
    255,062,707.80x = 382,027,191.30 × 209,713,075.80
  4. Step 4: Simplify right side
    255,062,707.80x = 80,116,097,326,758,000
  5. Step 5: Solve for x
    x = 80,116,097,326,758,000/255,062,707.80
  6. Step 6: Final answer
    x = 314,103,531.71

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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.