Home / 312,139,904.40-467,705,971.80-196,918,246.80

Finding the Fourth Proportional to 312,139,904.40, 467,705,971.80 and 196,918,246.80

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Solution

The fourth proportional to 312,139,904.40, 467,705,971.80 and 196,918,246.80 is: 295,059,486.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,139,904.40 : 467,705,971.80 = 196,918,246.80 : x
  2. Step 2: Convert to fraction form
    312,139,904.40/467,705,971.80 = 196,918,246.80/x
  3. Step 3: Cross multiply
    312,139,904.40x = 467,705,971.80 × 196,918,246.80
  4. Step 4: Simplify right side
    312,139,904.40x = 92,099,839,984,746,256
  5. Step 5: Solve for x
    x = 92,099,839,984,746,256/312,139,904.40
  6. Step 6: Final answer
    x = 295,059,486.74

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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.