Finding the Fourth Proportional to 78,043,535.08, 117,070,689.11 and 22,711,827.62
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Solution
The fourth proportional to 78,043,535.08, 117,070,689.11 and 22,711,827.62 is: 34,069,308.98
Step by Step Solution
- Step 1: Write the proportion equation
78,043,535.08 : 117,070,689.11 = 22,711,827.62 : x - Step 2: Convert to fraction form
78,043,535.08/117,070,689.11 = 22,711,827.62/x - Step 3: Cross multiply
78,043,535.08x = 117,070,689.11 × 22,711,827.62 - Step 4: Simplify right side
78,043,535.08x = 2,658,889,310,770,387.50 - Step 5: Solve for x
x = 2,658,889,310,770,387.50/78,043,535.08 - Step 6: Final answer
x = 34,069,308.98
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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.