Finding the Fourth Proportional to 67,281,968.79, 92,849,154.05 and 36,342,137.97
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Solution
The fourth proportional to 67,281,968.79, 92,849,154.05 and 36,342,137.97 is: 50,152,170.45
Step by Step Solution
- Step 1: Write the proportion equation
67,281,968.79 : 92,849,154.05 = 36,342,137.97 : x - Step 2: Convert to fraction form
67,281,968.79/92,849,154.05 = 36,342,137.97/x - Step 3: Cross multiply
67,281,968.79x = 92,849,154.05 × 36,342,137.97 - Step 4: Simplify right side
67,281,968.79x = 3,374,336,766,973,739.50 - Step 5: Solve for x
x = 3,374,336,766,973,739.50/67,281,968.79 - Step 6: Final answer
x = 50,152,170.45
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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.