Finding the Fourth Proportional to 67,455,582.19, 93,089,344.76 and 39,578,766.63
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Solution
The fourth proportional to 67,455,582.19, 93,089,344.76 and 39,578,766.63 is: 54,619,074.25
Step by Step Solution
- Step 1: Write the proportion equation
67,455,582.19 : 93,089,344.76 = 39,578,766.63 : x - Step 2: Convert to fraction form
67,455,582.19/93,089,344.76 = 39,578,766.63/x - Step 3: Cross multiply
67,455,582.19x = 93,089,344.76 × 39,578,766.63 - Step 4: Simplify right side
67,455,582.19x = 3,684,361,451,995,654 - Step 5: Solve for x
x = 3,684,361,451,995,654/67,455,582.19 - Step 6: Final answer
x = 54,619,074.25
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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.