Finding the Fourth Proportional to 135,158,999.88, 186,523,092.51 and 76,430,451.24
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Solution
The fourth proportional to 135,158,999.88, 186,523,092.51 and 76,430,451.24 is: 105,476,099.56
Step by Step Solution
- Step 1: Write the proportion equation
135,158,999.88 : 186,523,092.51 = 76,430,451.24 : x - Step 2: Convert to fraction form
135,158,999.88/186,523,092.51 = 76,430,451.24/x - Step 3: Cross multiply
135,158,999.88x = 186,523,092.51 × 76,430,451.24 - Step 4: Simplify right side
135,158,999.88x = 14,256,044,127,219,562 - Step 5: Solve for x
x = 14,256,044,127,219,562/135,158,999.88 - Step 6: Final answer
x = 105,476,099.56
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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.