Finding the Fourth Proportional to 83,934,123.04, 125,761,996.88 and 51,045,211.84
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Solution
The fourth proportional to 83,934,123.04, 125,761,996.88 and 51,045,211.84 is: 76,483,169.65
Step by Step Solution
- Step 1: Write the proportion equation
83,934,123.04 : 125,761,996.88 = 51,045,211.84 : x - Step 2: Convert to fraction form
83,934,123.04/125,761,996.88 = 51,045,211.84/x - Step 3: Cross multiply
83,934,123.04x = 125,761,996.88 × 51,045,211.84 - Step 4: Simplify right side
83,934,123.04x = 6,419,547,772,161,019 - Step 5: Solve for x
x = 6,419,547,772,161,019/83,934,123.04 - Step 6: Final answer
x = 76,483,169.65
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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.