Finding the Fourth Proportional to 102,760,829.96, 141,814,034.18 and 56,352,748.28
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Solution
The fourth proportional to 102,760,829.96, 141,814,034.18 and 56,352,748.28 is: 77,769,034.89
Step by Step Solution
- Step 1: Write the proportion equation
102,760,829.96 : 141,814,034.18 = 56,352,748.28 : x - Step 2: Convert to fraction form
102,760,829.96/141,814,034.18 = 56,352,748.28/x - Step 3: Cross multiply
102,760,829.96x = 141,814,034.18 × 56,352,748.28 - Step 4: Simplify right side
102,760,829.96x = 7,991,610,570,716,857 - Step 5: Solve for x
x = 7,991,610,570,716,857/102,760,829.96 - Step 6: Final answer
x = 77,769,034.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.