Home / 297,640,993.34-446,432,621.58-90,381,198.53

Finding the Fourth Proportional to 297,640,993.34, 446,432,621.58 and 90,381,198.53

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Solution

The fourth proportional to 297,640,993.34, 446,432,621.58 and 90,381,198.53 is: 135,563,031.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,640,993.34 : 446,432,621.58 = 90,381,198.53 : x
  2. Step 2: Convert to fraction form
    297,640,993.34/446,432,621.58 = 90,381,198.53/x
  3. Step 3: Cross multiply
    297,640,993.34x = 446,432,621.58 × 90,381,198.53
  4. Step 4: Simplify right side
    297,640,993.34x = 40,349,115,402,406,424
  5. Step 5: Solve for x
    x = 40,349,115,402,406,424/297,640,993.34
  6. Step 6: Final answer
    x = 135,563,031.66

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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.