Finding the Fourth Proportional to 71,342,328, 98,449,117.92 and 40,402,718.76
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Solution
The fourth proportional to 71,342,328, 98,449,117.92 and 40,402,718.76 is: 55,753,886.02
Step by Step Solution
- Step 1: Write the proportion equation
71,342,328 : 98,449,117.92 = 40,402,718.76 : x - Step 2: Convert to fraction form
71,342,328/98,449,117.92 = 40,402,718.76/x - Step 3: Cross multiply
71,342,328x = 98,449,117.92 × 40,402,718.76 - Step 4: Simplify right side
71,342,328x = 3,977,612,023,491,836 - Step 5: Solve for x
x = 3,977,612,023,491,836/71,342,328 - Step 6: Final answer
x = 55,753,886.02
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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.