Finding the Fourth Proportional to 135,115,743.84, 186,479,649.36 and 85,560,642.08
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Solution
The fourth proportional to 135,115,743.84, 186,479,649.36 and 85,560,642.08 is: 118,086,302.02
Step by Step Solution
- Step 1: Write the proportion equation
135,115,743.84 : 186,479,649.36 = 85,560,642.08 : x - Step 2: Convert to fraction form
135,115,743.84/186,479,649.36 = 85,560,642.08/x - Step 3: Cross multiply
135,115,743.84x = 186,479,649.36 × 85,560,642.08 - Step 4: Simplify right side
135,115,743.84x = 15,955,318,534,094,862 - Step 5: Solve for x
x = 15,955,318,534,094,862/135,115,743.84 - Step 6: Final answer
x = 118,086,302.02
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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.