Finding the Fourth Proportional to 75,168,101.70, 112,752,152.55 and 39,261,644.10
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Solution
The fourth proportional to 75,168,101.70, 112,752,152.55 and 39,261,644.10 is: 58,892,466.15
Step by Step Solution
- Step 1: Write the proportion equation
75,168,101.70 : 112,752,152.55 = 39,261,644.10 : x - Step 2: Convert to fraction form
75,168,101.70/112,752,152.55 = 39,261,644.10/x - Step 3: Cross multiply
75,168,101.70x = 112,752,152.55 × 39,261,644.10 - Step 4: Simplify right side
75,168,101.70x = 4,426,834,884,927,007.50 - Step 5: Solve for x
x = 4,426,834,884,927,007.50/75,168,101.70 - Step 6: Final answer
x = 58,892,466.15
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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.