Home / 255,087,378.60-382,631,067.90-204,069,042.60

Finding the Fourth Proportional to 255,087,378.60, 382,631,067.90 and 204,069,042.60

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Solution

The fourth proportional to 255,087,378.60, 382,631,067.90 and 204,069,042.60 is: 306,103,563.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,087,378.60 : 382,631,067.90 = 204,069,042.60 : x
  2. Step 2: Convert to fraction form
    255,087,378.60/382,631,067.90 = 204,069,042.60/x
  3. Step 3: Cross multiply
    255,087,378.60x = 382,631,067.90 × 204,069,042.60
  4. Step 4: Simplify right side
    255,087,378.60x = 78,083,155,695,368,592
  5. Step 5: Solve for x
    x = 78,083,155,695,368,592/255,087,378.60
  6. Step 6: Final answer
    x = 306,103,563.90

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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.