Finding the Fourth Proportional to 78,486,597.42, 117,748,739.97 and 24,633,909.42
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Solution
The fourth proportional to 78,486,597.42, 117,748,739.97 and 24,633,909.42 is: 36,956,778.48
Step by Step Solution
- Step 1: Write the proportion equation
78,486,597.42 : 117,748,739.97 = 24,633,909.42 : x - Step 2: Convert to fraction form
78,486,597.42/117,748,739.97 = 24,633,909.42/x - Step 3: Cross multiply
78,486,597.42x = 117,748,739.97 × 24,633,909.42 - Step 4: Simplify right side
78,486,597.42x = 2,900,611,794,740,113.50 - Step 5: Solve for x
x = 2,900,611,794,740,113.50/78,486,597.42 - Step 6: Final answer
x = 36,956,778.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.