Finding the Fourth Proportional to 201,864,129,821.95, 278,658,274,050.51 and 125,778,135,711.60
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Solution
The fourth proportional to 201,864,129,821.95, 278,658,274,050.51 and 125,778,135,711.60 is: 173,627,272,173.61
Step by Step Solution
- Step 1: Write the proportion equation
201,864,129,821.95 : 278,658,274,050.51 = 125,778,135,711.60 : x - Step 2: Convert to fraction form
201,864,129,821.95/278,658,274,050.51 = 125,778,135,711.60/x - Step 3: Cross multiply
201,864,129,821.95x = 278,658,274,050.51 × 125,778,135,711.60 - Step 4: Simplify right side
201,864,129,821.95x = 35,049,118,210,685,275,209,728 - Step 5: Solve for x
x = 35,049,118,210,685,275,209,728/201,864,129,821.95 - Step 6: Final answer
x = 173,627,272,173.61
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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.