Finding the Fourth Proportional to 48,049,877.29, 72,101,054.36 and 20,379,490.87
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Solution
The fourth proportional to 48,049,877.29, 72,101,054.36 and 20,379,490.87 is: 30,580,364.85
Step by Step Solution
- Step 1: Write the proportion equation
48,049,877.29 : 72,101,054.36 = 20,379,490.87 : x - Step 2: Convert to fraction form
48,049,877.29/72,101,054.36 = 20,379,490.87/x - Step 3: Cross multiply
48,049,877.29x = 72,101,054.36 × 20,379,490.87 - Step 4: Simplify right side
48,049,877.29x = 1,469,382,778,584,591 - Step 5: Solve for x
x = 1,469,382,778,584,591/48,049,877.29 - Step 6: Final answer
x = 30,580,364.85
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.