Finding the Fourth Proportional to 88,706,935.70, 133,060,403.55 and 82,071,415.70
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Solution
The fourth proportional to 88,706,935.70, 133,060,403.55 and 82,071,415.70 is: 123,107,123.55
Step by Step Solution
- Step 1: Write the proportion equation
88,706,935.70 : 133,060,403.55 = 82,071,415.70 : x - Step 2: Convert to fraction form
88,706,935.70/133,060,403.55 = 82,071,415.70/x - Step 3: Cross multiply
88,706,935.70x = 133,060,403.55 × 82,071,415.70 - Step 4: Simplify right side
88,706,935.70x = 10,920,455,692,961,806 - Step 5: Solve for x
x = 10,920,455,692,961,806/88,706,935.70 - Step 6: Final answer
x = 123,107,123.55
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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.