Finding the Fourth Proportional to 90,495,823.80, 135,743,735.70 and 22,338,515.55
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Solution
The fourth proportional to 90,495,823.80, 135,743,735.70 and 22,338,515.55 is: 33,507,773.33
Step by Step Solution
- Step 1: Write the proportion equation
90,495,823.80 : 135,743,735.70 = 22,338,515.55 : x - Step 2: Convert to fraction form
90,495,823.80/135,743,735.70 = 22,338,515.55/x - Step 3: Cross multiply
90,495,823.80x = 135,743,735.70 × 22,338,515.55 - Step 4: Simplify right side
90,495,823.80x = 3,032,313,550,749,540 - Step 5: Solve for x
x = 3,032,313,550,749,540/90,495,823.80 - Step 6: Final answer
x = 33,507,773.33
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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.