Finding the Fourth Proportional to 135,390,532,386.72, 203,086,663,995.96 and 39,776,160,125.04
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Solution
The fourth proportional to 135,390,532,386.72, 203,086,663,995.96 and 39,776,160,125.04 is: 59,664,494,436.66
Step by Step Solution
- Step 1: Write the proportion equation
135,390,532,386.72 : 203,086,663,995.96 = 39,776,160,125.04 : x - Step 2: Convert to fraction form
135,390,532,386.72/203,086,663,995.96 = 39,776,160,125.04/x - Step 3: Cross multiply
135,390,532,386.72x = 203,086,663,995.96 × 39,776,160,125.04 - Step 4: Simplify right side
135,390,532,386.72x = 8,078,007,666,363,500,331,008 - Step 5: Solve for x
x = 8,078,007,666,363,500,331,008/135,390,532,386.72 - Step 6: Final answer
x = 59,664,494,436.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.