Finding the Fourth Proportional to 131,044,725.32, 180,841,583.75 and 72,307,386.99
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Solution
The fourth proportional to 131,044,725.32, 180,841,583.75 and 72,307,386.99 is: 99,784,118.35
Step by Step Solution
- Step 1: Write the proportion equation
131,044,725.32 : 180,841,583.75 = 72,307,386.99 : x - Step 2: Convert to fraction form
131,044,725.32/180,841,583.75 = 72,307,386.99/x - Step 3: Cross multiply
131,044,725.32x = 180,841,583.75 × 72,307,386.99 - Step 4: Simplify right side
131,044,725.32x = 13,076,182,379,734,208 - Step 5: Solve for x
x = 13,076,182,379,734,208/131,044,725.32 - Step 6: Final answer
x = 99,784,118.35
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.