Finding the Fourth Proportional to 245,973,540.08, 368,975,525.16 and 82,226,030.96
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Solution
The fourth proportional to 245,973,540.08, 368,975,525.16 and 82,226,030.96 is: 123,344,132.65
Step by Step Solution
- Step 1: Write the proportion equation
245,973,540.08 : 368,975,525.16 = 82,226,030.96 : x - Step 2: Convert to fraction form
245,973,540.08/368,975,525.16 = 82,226,030.96/x - Step 3: Cross multiply
245,973,540.08x = 368,975,525.16 × 82,226,030.96 - Step 4: Simplify right side
245,973,540.08x = 30,339,392,955,288,420 - Step 5: Solve for x
x = 30,339,392,955,288,420/245,973,540.08 - Step 6: Final answer
x = 123,344,132.65
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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.