Finding the Fourth Proportional to 163,708,153.40, 245,596,347.30 and 54,567,230.60
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Solution
The fourth proportional to 163,708,153.40, 245,596,347.30 and 54,567,230.60 is: 81,862,217.85
Step by Step Solution
- Step 1: Write the proportion equation
163,708,153.40 : 245,596,347.30 = 54,567,230.60 : x - Step 2: Convert to fraction form
163,708,153.40/245,596,347.30 = 54,567,230.60/x - Step 3: Cross multiply
163,708,153.40x = 245,596,347.30 × 54,567,230.60 - Step 4: Simplify right side
163,708,153.40x = 13,401,512,517,636,788 - Step 5: Solve for x
x = 13,401,512,517,636,788/163,708,153.40 - Step 6: Final answer
x = 81,862,217.85
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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.