Finding the Fourth Proportional to 191,984,595.68, 264,938,570.84 and 108,370,326.08
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Solution
The fourth proportional to 191,984,595.68, 264,938,570.84 and 108,370,326.08 is: 149,550,953.35
Step by Step Solution
- Step 1: Write the proportion equation
191,984,595.68 : 264,938,570.84 = 108,370,326.08 : x - Step 2: Convert to fraction form
191,984,595.68/264,938,570.84 = 108,370,326.08/x - Step 3: Cross multiply
191,984,595.68x = 264,938,570.84 × 108,370,326.08 - Step 4: Simplify right side
191,984,595.68x = 28,711,479,313,099,980 - Step 5: Solve for x
x = 28,711,479,313,099,980/191,984,595.68 - Step 6: Final answer
x = 149,550,953.35
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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.