Finding the Fourth Proportional to 98,160,658.31, 135,467,769.17 and 54,107,557.94
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Solution
The fourth proportional to 98,160,658.31, 135,467,769.17 and 54,107,557.94 is: 74,671,770.70
Step by Step Solution
- Step 1: Write the proportion equation
98,160,658.31 : 135,467,769.17 = 54,107,557.94 : x - Step 2: Convert to fraction form
98,160,658.31/135,467,769.17 = 54,107,557.94/x - Step 3: Cross multiply
98,160,658.31x = 135,467,769.17 × 54,107,557.94 - Step 4: Simplify right side
98,160,658.31x = 7,329,830,169,368,320 - Step 5: Solve for x
x = 7,329,830,169,368,320/98,160,658.31 - Step 6: Final answer
x = 74,671,770.70
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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.