Finding the Fourth Proportional to 68,749,378.32, 94,872,248.82 and 37,809,558.84
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Solution
The fourth proportional to 68,749,378.32, 94,872,248.82 and 37,809,558.84 is: 52,176,149.98
Step by Step Solution
- Step 1: Write the proportion equation
68,749,378.32 : 94,872,248.82 = 37,809,558.84 : x - Step 2: Convert to fraction form
68,749,378.32/94,872,248.82 = 37,809,558.84/x - Step 3: Cross multiply
68,749,378.32x = 94,872,248.82 × 37,809,558.84 - Step 4: Simplify right side
68,749,378.32x = 3,587,077,874,042,910.50 - Step 5: Solve for x
x = 3,587,077,874,042,910.50/68,749,378.32 - Step 6: Final answer
x = 52,176,149.98
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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.