Finding the Fourth Proportional to 57,358,758.93, 79,154,090.70 and 31,253,491.28
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Solution
The fourth proportional to 57,358,758.93, 79,154,090.70 and 31,253,491.28 is: 43,129,274.92
Step by Step Solution
- Step 1: Write the proportion equation
57,358,758.93 : 79,154,090.70 = 31,253,491.28 : x - Step 2: Convert to fraction form
57,358,758.93/79,154,090.70 = 31,253,491.28/x - Step 3: Cross multiply
57,358,758.93x = 79,154,090.70 × 31,253,491.28 - Step 4: Simplify right side
57,358,758.93x = 2,473,841,683,073,008.50 - Step 5: Solve for x
x = 2,473,841,683,073,008.50/57,358,758.93 - Step 6: Final answer
x = 43,129,274.92
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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.