Finding the Fourth Proportional to 71,951,719.73, 99,293,670.36 and 38,911,968.17
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Solution
The fourth proportional to 71,951,719.73, 99,293,670.36 and 38,911,968.17 is: 53,698,676.76
Step by Step Solution
- Step 1: Write the proportion equation
71,951,719.73 : 99,293,670.36 = 38,911,968.17 : x - Step 2: Convert to fraction form
71,951,719.73/99,293,670.36 = 38,911,968.17/x - Step 3: Cross multiply
71,951,719.73x = 99,293,670.36 × 38,911,968.17 - Step 4: Simplify right side
71,951,719.73x = 3,863,712,140,034,324 - Step 5: Solve for x
x = 3,863,712,140,034,324/71,951,719.73 - Step 6: Final answer
x = 53,698,676.76
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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.