Home / 208,656,101.20-312,732,209.40-106,367,486.80

Finding the Fourth Proportional to 208,656,101.20, 312,732,209.40 and 106,367,486.80

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Solution

The fourth proportional to 208,656,101.20, 312,732,209.40 and 106,367,486.80 is: 159,422,796.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,656,101.20 : 312,732,209.40 = 106,367,486.80 : x
  2. Step 2: Convert to fraction form
    208,656,101.20/312,732,209.40 = 106,367,486.80/x
  3. Step 3: Cross multiply
    208,656,101.20x = 312,732,209.40 × 106,367,486.80
  4. Step 4: Simplify right side
    208,656,101.20x = 33,264,539,155,289,332
  5. Step 5: Solve for x
    x = 33,264,539,155,289,332/208,656,101.20
  6. Step 6: Final answer
    x = 159,422,796.48

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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.