Finding the Fourth Proportional to 99,558,758.44, 137,390,595.88 and 57,751,279.12
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Solution
The fourth proportional to 99,558,758.44, 137,390,595.88 and 57,751,279.12 is: 79,696,480.50
Step by Step Solution
- Step 1: Write the proportion equation
99,558,758.44 : 137,390,595.88 = 57,751,279.12 : x - Step 2: Convert to fraction form
99,558,758.44/137,390,595.88 = 57,751,279.12/x - Step 3: Cross multiply
99,558,758.44x = 137,390,595.88 × 57,751,279.12 - Step 4: Simplify right side
99,558,758.44x = 7,934,482,650,153,293 - Step 5: Solve for x
x = 7,934,482,650,153,293/99,558,758.44 - Step 6: Final answer
x = 79,696,480.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.