Finding the Fourth Proportional to 138,475,010,153.68, 207,643,734,881.08 and 44,135,682,358.48
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Solution
The fourth proportional to 138,475,010,153.68, 207,643,734,881.08 and 44,135,682,358.48 is: 66,181,601,404.25
Step by Step Solution
- Step 1: Write the proportion equation
138,475,010,153.68 : 207,643,734,881.08 = 44,135,682,358.48 : x - Step 2: Convert to fraction form
138,475,010,153.68/207,643,734,881.08 = 44,135,682,358.48/x - Step 3: Cross multiply
138,475,010,153.68x = 207,643,734,881.08 × 44,135,682,358.48 - Step 4: Simplify right side
138,475,010,153.68x = 9,164,497,926,439,781,269,504 - Step 5: Solve for x
x = 9,164,497,926,439,781,269,504/138,475,010,153.68 - Step 6: Final answer
x = 66,181,601,404.25
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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.