Finding the Fourth Proportional to 94,480,156.36, 130,385,379.32 and 55,318,269.12
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Solution
The fourth proportional to 94,480,156.36, 130,385,379.32 and 55,318,269.12 is: 76,340,829.44
Step by Step Solution
- Step 1: Write the proportion equation
94,480,156.36 : 130,385,379.32 = 55,318,269.12 : x - Step 2: Convert to fraction form
94,480,156.36/130,385,379.32 = 55,318,269.12/x - Step 3: Cross multiply
94,480,156.36x = 130,385,379.32 × 55,318,269.12 - Step 4: Simplify right side
94,480,156.36x = 7,212,693,502,537,042 - Step 5: Solve for x
x = 7,212,693,502,537,042/94,480,156.36 - Step 6: Final answer
x = 76,340,829.44
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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.