Home / 321,015,934.80-481,673,201.40-167,834,955.60

Finding the Fourth Proportional to 321,015,934.80, 481,673,201.40 and 167,834,955.60

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Solution

The fourth proportional to 321,015,934.80, 481,673,201.40 and 167,834,955.60 is: 251,830,490.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,015,934.80 : 481,673,201.40 = 167,834,955.60 : x
  2. Step 2: Convert to fraction form
    321,015,934.80/481,673,201.40 = 167,834,955.60/x
  3. Step 3: Cross multiply
    321,015,934.80x = 481,673,201.40 × 167,834,955.60
  4. Step 4: Simplify right side
    321,015,934.80x = 80,841,600,370,678,848
  5. Step 5: Solve for x
    x = 80,841,600,370,678,848/321,015,934.80
  6. Step 6: Final answer
    x = 251,830,490.66

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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.