Finding the Fourth Proportional to 130,080,658.05, 179,512,193.52 and 71,343,742.95
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Solution
The fourth proportional to 130,080,658.05, 179,512,193.52 and 71,343,742.95 is: 98,454,850.88
Step by Step Solution
- Step 1: Write the proportion equation
130,080,658.05 : 179,512,193.52 = 71,343,742.95 : x - Step 2: Convert to fraction form
130,080,658.05/179,512,193.52 = 71,343,742.95/x - Step 3: Cross multiply
130,080,658.05x = 179,512,193.52 × 71,343,742.95 - Step 4: Simplify right side
130,080,658.05x = 12,807,071,790,881,536 - Step 5: Solve for x
x = 12,807,071,790,881,536/130,080,658.05 - Step 6: Final answer
x = 98,454,850.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.