Finding the Fourth Proportional to 115,363,546.64, 159,201,682.44 and 62,440,245.12
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Solution
The fourth proportional to 115,363,546.64, 159,201,682.44 and 62,440,245.12 is: 86,167,531.81
Step by Step Solution
- Step 1: Write the proportion equation
115,363,546.64 : 159,201,682.44 = 62,440,245.12 : x - Step 2: Convert to fraction form
115,363,546.64/159,201,682.44 = 62,440,245.12/x - Step 3: Cross multiply
115,363,546.64x = 159,201,682.44 × 62,440,245.12 - Step 4: Simplify right side
115,363,546.64x = 9,940,592,075,070,000 - Step 5: Solve for x
x = 9,940,592,075,070,000/115,363,546.64 - Step 6: Final answer
x = 86,167,531.81
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.