Home / 297,640,986.58-446,432,611.47-90,381,191.78

Finding the Fourth Proportional to 297,640,986.58, 446,432,611.47 and 90,381,191.78

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Solution

The fourth proportional to 297,640,986.58, 446,432,611.47 and 90,381,191.78 is: 135,563,021.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,640,986.58 : 446,432,611.47 = 90,381,191.78 : x
  2. Step 2: Convert to fraction form
    297,640,986.58/446,432,611.47 = 90,381,191.78/x
  3. Step 3: Cross multiply
    297,640,986.58x = 446,432,611.47 × 90,381,191.78
  4. Step 4: Simplify right side
    297,640,986.58x = 40,349,111,475,402,296
  5. Step 5: Solve for x
    x = 40,349,111,475,402,296/297,640,986.58
  6. Step 6: Final answer
    x = 135,563,021.54

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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.