Home / 310,348,959.60-465,486,114.60-128,577,183.60

Finding the Fourth Proportional to 310,348,959.60, 465,486,114.60 and 128,577,183.60

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Solution

The fourth proportional to 310,348,959.60, 465,486,114.60 and 128,577,183.60 is: 192,850,311.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,348,959.60 : 465,486,114.60 = 128,577,183.60 : x
  2. Step 2: Convert to fraction form
    310,348,959.60/465,486,114.60 = 128,577,183.60/x
  3. Step 3: Cross multiply
    310,348,959.60x = 465,486,114.60 × 128,577,183.60
  4. Step 4: Simplify right side
    310,348,959.60x = 59,850,893,620,174,840
  5. Step 5: Solve for x
    x = 59,850,893,620,174,840/310,348,959.60
  6. Step 6: Final answer
    x = 192,850,311.78

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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.