Finding the Fourth Proportional to 121,616,088.51, 182,715,158.28 and 77,982,335.41
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Solution
The fourth proportional to 121,616,088.51, 182,715,158.28 and 77,982,335.41 is: 117,160,113.70
Step by Step Solution
- Step 1: Write the proportion equation
121,616,088.51 : 182,715,158.28 = 77,982,335.41 : x - Step 2: Convert to fraction form
121,616,088.51/182,715,158.28 = 77,982,335.41/x - Step 3: Cross multiply
121,616,088.51x = 182,715,158.28 × 77,982,335.41 - Step 4: Simplify right side
121,616,088.51x = 14,248,554,757,482,198 - Step 5: Solve for x
x = 14,248,554,757,482,198/121,616,088.51 - Step 6: Final answer
x = 117,160,113.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.