Finding the Fourth Proportional to 163,880,100.40, 245,788,657.80 and 48,868,394.80
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Solution
The fourth proportional to 163,880,100.40, 245,788,657.80 and 48,868,394.80 is: 73,293,201.17
Step by Step Solution
- Step 1: Write the proportion equation
163,880,100.40 : 245,788,657.80 = 48,868,394.80 : x - Step 2: Convert to fraction form
163,880,100.40/245,788,657.80 = 48,868,394.80/x - Step 3: Cross multiply
163,880,100.40x = 245,788,657.80 × 48,868,394.80 - Step 4: Simplify right side
163,880,100.40x = 12,011,297,166,732,500 - Step 5: Solve for x
x = 12,011,297,166,732,500/163,880,100.40 - Step 6: Final answer
x = 73,293,201.17
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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.