Finding the Fourth Proportional to 87,253,904.21, 120,415,775.04 and 48,095,592.66
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Solution
The fourth proportional to 87,253,904.21, 120,415,775.04 and 48,095,592.66 is: 66,374,887.39
Step by Step Solution
- Step 1: Write the proportion equation
87,253,904.21 : 120,415,775.04 = 48,095,592.66 : x - Step 2: Convert to fraction form
87,253,904.21/120,415,775.04 = 48,095,592.66/x - Step 3: Cross multiply
87,253,904.21x = 120,415,775.04 × 48,095,592.66 - Step 4: Simplify right side
87,253,904.21x = 5,791,468,066,162,035 - Step 5: Solve for x
x = 5,791,468,066,162,035/87,253,904.21 - Step 6: Final answer
x = 66,374,887.39
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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.