Finding the Fourth Proportional to 135,960,327.29, 187,625,278.67 and 74,080,665.86
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Solution
The fourth proportional to 135,960,327.29, 187,625,278.67 and 74,080,665.86 is: 102,231,333.59
Step by Step Solution
- Step 1: Write the proportion equation
135,960,327.29 : 187,625,278.67 = 74,080,665.86 : x - Step 2: Convert to fraction form
135,960,327.29/187,625,278.67 = 74,080,665.86/x - Step 3: Cross multiply
135,960,327.29x = 187,625,278.67 × 74,080,665.86 - Step 4: Simplify right side
135,960,327.29x = 13,899,405,574,733,126 - Step 5: Solve for x
x = 13,899,405,574,733,126/135,960,327.29 - Step 6: Final answer
x = 102,231,333.59
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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.