Home / 99,446,885.10-149,170,327.65-90,837,540.90

Finding the Fourth Proportional to 99,446,885.10, 149,170,327.65 and 90,837,540.90

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Solution

The fourth proportional to 99,446,885.10, 149,170,327.65 and 90,837,540.90 is: 136,256,311.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,446,885.10 : 149,170,327.65 = 90,837,540.90 : x
  2. Step 2: Convert to fraction form
    99,446,885.10/149,170,327.65 = 90,837,540.90/x
  3. Step 3: Cross multiply
    99,446,885.10x = 149,170,327.65 × 90,837,540.90
  4. Step 4: Simplify right side
    99,446,885.10x = 13,550,265,738,973,278
  5. Step 5: Solve for x
    x = 13,550,265,738,973,278/99,446,885.10
  6. Step 6: Final answer
    x = 136,256,311.35

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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.