Finding the Fourth Proportional to 62,829,768.90, 86,669,653.68 and 37,705,452.69
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Solution
The fourth proportional to 62,829,768.90, 86,669,653.68 and 37,705,452.69 is: 52,012,263.99
Step by Step Solution
- Step 1: Write the proportion equation
62,829,768.90 : 86,669,653.68 = 37,705,452.69 : x - Step 2: Convert to fraction form
62,829,768.90/86,669,653.68 = 37,705,452.69/x - Step 3: Cross multiply
62,829,768.90x = 86,669,653.68 × 37,705,452.69 - Step 4: Simplify right side
62,829,768.90x = 3,267,918,526,489,924.50 - Step 5: Solve for x
x = 3,267,918,526,489,924.50/62,829,768.90 - Step 6: Final answer
x = 52,012,263.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.