Finding the Fourth Proportional to 138,555,666.05, 191,207,325.99 and 74,976,005.44
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Solution
The fourth proportional to 138,555,666.05, 191,207,325.99 and 74,976,005.44 is: 103,467,161.77
Step by Step Solution
- Step 1: Write the proportion equation
138,555,666.05 : 191,207,325.99 = 74,976,005.44 : x - Step 2: Convert to fraction form
138,555,666.05/191,207,325.99 = 74,976,005.44/x - Step 3: Cross multiply
138,555,666.05x = 191,207,325.99 × 74,976,005.44 - Step 4: Simplify right side
138,555,666.05x = 14,335,961,513,397,236 - Step 5: Solve for x
x = 14,335,961,513,397,236/138,555,666.05 - Step 6: Final answer
x = 103,467,161.77
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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.