Home / 297,640,999.56-446,432,631.48-90,381,203.64

Finding the Fourth Proportional to 297,640,999.56, 446,432,631.48 and 90,381,203.64

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Solution

The fourth proportional to 297,640,999.56, 446,432,631.48 and 90,381,203.64 is: 135,563,039.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,640,999.56 : 446,432,631.48 = 90,381,203.64 : x
  2. Step 2: Convert to fraction form
    297,640,999.56/446,432,631.48 = 90,381,203.64/x
  3. Step 3: Cross multiply
    297,640,999.56x = 446,432,631.48 × 90,381,203.64
  4. Step 4: Simplify right side
    297,640,999.56x = 40,349,118,577,334,960
  5. Step 5: Solve for x
    x = 40,349,118,577,334,960/297,640,999.56
  6. Step 6: Final answer
    x = 135,563,039.49

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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.