Finding the Fourth Proportional to 235,968,205.68, 325,619,495.64 and 131,541,657.84
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Solution
The fourth proportional to 235,968,205.68, 325,619,495.64 and 131,541,657.84 is: 181,518,218.35
Step by Step Solution
- Step 1: Write the proportion equation
235,968,205.68 : 325,619,495.64 = 131,541,657.84 : x - Step 2: Convert to fraction form
235,968,205.68/325,619,495.64 = 131,541,657.84/x - Step 3: Cross multiply
235,968,205.68x = 325,619,495.64 × 131,541,657.84 - Step 4: Simplify right side
235,968,205.68x = 42,832,528,281,510,248 - Step 5: Solve for x
x = 42,832,528,281,510,248/235,968,205.68 - Step 6: Final answer
x = 181,518,218.35
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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.