Finding the Fourth Proportional to 88,706,420.70, 133,059,631.05 and 82,070,900.70
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Solution
The fourth proportional to 88,706,420.70, 133,059,631.05 and 82,070,900.70 is: 123,106,351.05
Step by Step Solution
- Step 1: Write the proportion equation
88,706,420.70 : 133,059,631.05 = 82,070,900.70 : x - Step 2: Convert to fraction form
88,706,420.70/133,059,631.05 = 82,070,900.70/x - Step 3: Cross multiply
88,706,420.70x = 133,059,631.05 × 82,070,900.70 - Step 4: Simplify right side
88,706,420.70x = 10,920,323,767,083,186 - Step 5: Solve for x
x = 10,920,323,767,083,186/88,706,420.70 - Step 6: Final answer
x = 123,106,351.05
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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.