Home / 99,446,912.10-149,170,368.15-90,837,567.90

Finding the Fourth Proportional to 99,446,912.10, 149,170,368.15 and 90,837,567.90

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Solution

The fourth proportional to 99,446,912.10, 149,170,368.15 and 90,837,567.90 is: 136,256,351.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,446,912.10 : 149,170,368.15 = 90,837,567.90 : x
  2. Step 2: Convert to fraction form
    99,446,912.10/149,170,368.15 = 90,837,567.90/x
  3. Step 3: Cross multiply
    99,446,912.10x = 149,170,368.15 × 90,837,567.90
  4. Step 4: Simplify right side
    99,446,912.10x = 13,550,273,445,493,624
  5. Step 5: Solve for x
    x = 13,550,273,445,493,624/99,446,912.10
  6. Step 6: Final answer
    x = 136,256,351.85

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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.