Finding the Fourth Proportional to 132,479,145, 198,740,303.34 and 39,115,554.10
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Solution
The fourth proportional to 132,479,145, 198,740,303.34 and 39,115,554.10 is: 58,679,704.55
Step by Step Solution
- Step 1: Write the proportion equation
132,479,145 : 198,740,303.34 = 39,115,554.10 : x - Step 2: Convert to fraction form
132,479,145/198,740,303.34 = 39,115,554.10/x - Step 3: Cross multiply
132,479,145x = 198,740,303.34 × 39,115,554.10 - Step 4: Simplify right side
132,479,145x = 7,773,837,087,146,181 - Step 5: Solve for x
x = 7,773,837,087,146,181/132,479,145 - Step 6: Final answer
x = 58,679,704.55
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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.