Finding the Fourth Proportional to 163,708,125.40, 245,596,305.30 and 54,567,202.60
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Solution
The fourth proportional to 163,708,125.40, 245,596,305.30 and 54,567,202.60 is: 81,862,175.85
Step by Step Solution
- Step 1: Write the proportion equation
163,708,125.40 : 245,596,305.30 = 54,567,202.60 : x - Step 2: Convert to fraction form
163,708,125.40/245,596,305.30 = 54,567,202.60/x - Step 3: Cross multiply
163,708,125.40x = 245,596,305.30 × 54,567,202.60 - Step 4: Simplify right side
163,708,125.40x = 13,401,503,349,116,554 - Step 5: Solve for x
x = 13,401,503,349,116,554/163,708,125.40 - Step 6: Final answer
x = 81,862,175.85
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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.