Home / 403,850,107.20-605,775,160.80-210,139,862.70

Finding the Fourth Proportional to 403,850,107.20, 605,775,160.80 and 210,139,862.70

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Solution

The fourth proportional to 403,850,107.20, 605,775,160.80 and 210,139,862.70 is: 315,209,794.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,850,107.20 : 605,775,160.80 = 210,139,862.70 : x
  2. Step 2: Convert to fraction form
    403,850,107.20/605,775,160.80 = 210,139,862.70/x
  3. Step 3: Cross multiply
    403,850,107.20x = 605,775,160.80 × 210,139,862.70
  4. Step 4: Simplify right side
    403,850,107.20x = 127,297,509,117,582,400
  5. Step 5: Solve for x
    x = 127,297,509,117,582,400/403,850,107.20
  6. Step 6: Final answer
    x = 315,209,794.05

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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.