Finding the Fourth Proportional to 51,340,245.33, 70,849,599.93 and 27,818,765.09
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Solution
The fourth proportional to 51,340,245.33, 70,849,599.93 and 27,818,765.09 is: 38,389,929.07
Step by Step Solution
- Step 1: Write the proportion equation
51,340,245.33 : 70,849,599.93 = 27,818,765.09 : x - Step 2: Convert to fraction form
51,340,245.33/70,849,599.93 = 27,818,765.09/x - Step 3: Cross multiply
51,340,245.33x = 70,849,599.93 × 27,818,765.09 - Step 4: Simplify right side
51,340,245.33x = 1,970,948,376,818,902.75 - Step 5: Solve for x
x = 1,970,948,376,818,902.75/51,340,245.33 - Step 6: Final answer
x = 38,389,929.07
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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.