Finding the Fourth Proportional to 135,985,617.44, 187,654,691.76 and 74,104,637.12
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Solution
The fourth proportional to 135,985,617.44, 187,654,691.76 and 74,104,637.12 is: 102,261,423.66
Step by Step Solution
- Step 1: Write the proportion equation
135,985,617.44 : 187,654,691.76 = 74,104,637.12 : x - Step 2: Convert to fraction form
135,985,617.44/187,654,691.76 = 74,104,637.12/x - Step 3: Cross multiply
135,985,617.44x = 187,654,691.76 × 74,104,637.12 - Step 4: Simplify right side
135,985,617.44x = 13,906,082,836,740,254 - Step 5: Solve for x
x = 13,906,082,836,740,254/135,985,617.44 - Step 6: Final answer
x = 102,261,423.66
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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.