Finding the Fourth Proportional to 102,177,845.61, 153,286,991.05 and 37,482,215.73
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Solution
The fourth proportional to 102,177,845.61, 153,286,991.05 and 37,482,215.73 is: 56,230,741.93
Step by Step Solution
- Step 1: Write the proportion equation
102,177,845.61 : 153,286,991.05 = 37,482,215.73 : x - Step 2: Convert to fraction form
102,177,845.61/153,286,991.05 = 37,482,215.73/x - Step 3: Cross multiply
102,177,845.61x = 153,286,991.05 × 37,482,215.73 - Step 4: Simplify right side
102,177,845.61x = 5,745,536,067,138,679 - Step 5: Solve for x
x = 5,745,536,067,138,679/102,177,845.61 - Step 6: Final answer
x = 56,230,741.93
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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.