Finding the Fourth Proportional to 53,939,124,972.18, 74,436,151,715.28 and 29,854,819,380.42
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Solution
The fourth proportional to 53,939,124,972.18, 74,436,151,715.28 and 29,854,819,380.42 is: 41,199,738,890.45
Step by Step Solution
- Step 1: Write the proportion equation
53,939,124,972.18 : 74,436,151,715.28 = 29,854,819,380.42 : x - Step 2: Convert to fraction form
53,939,124,972.18/74,436,151,715.28 = 29,854,819,380.42/x - Step 3: Cross multiply
53,939,124,972.18x = 74,436,151,715.28 × 29,854,819,380.42 - Step 4: Simplify right side
53,939,124,972.18x = 2,222,277,864,833,224,540,160 - Step 5: Solve for x
x = 2,222,277,864,833,224,540,160/53,939,124,972.18 - Step 6: Final answer
x = 41,199,738,890.45
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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.