Finding the Fourth Proportional to 74,125,869.84, 111,202,773.84 and 28,081,530
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Solution
The fourth proportional to 74,125,869.84, 111,202,773.84 and 28,081,530 is: 42,127,586.99
Step by Step Solution
- Step 1: Write the proportion equation
74,125,869.84 : 111,202,773.84 = 28,081,530 : x - Step 2: Convert to fraction form
74,125,869.84/111,202,773.84 = 28,081,530/x - Step 3: Cross multiply
74,125,869.84x = 111,202,773.84 × 28,081,530 - Step 4: Simplify right side
74,125,869.84x = 3,122,744,029,671,175.50 - Step 5: Solve for x
x = 3,122,744,029,671,175.50/74,125,869.84 - Step 6: Final answer
x = 42,127,586.99
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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.