Finding the Fourth Proportional to 155,543,240.36, 233,151,885.79 and 72,476,508.62
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Solution
The fourth proportional to 155,543,240.36, 233,151,885.79 and 72,476,508.62 is: 108,638,823.66
Step by Step Solution
- Step 1: Write the proportion equation
155,543,240.36 : 233,151,885.79 = 72,476,508.62 : x - Step 2: Convert to fraction form
155,543,240.36/233,151,885.79 = 72,476,508.62/x - Step 3: Cross multiply
155,543,240.36x = 233,151,885.79 × 72,476,508.62 - Step 4: Simplify right side
155,543,240.36x = 16,898,034,661,037,924 - Step 5: Solve for x
x = 16,898,034,661,037,924/155,543,240.36 - Step 6: Final answer
x = 108,638,823.66
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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.