Finding the Fourth Proportional to 91,059,491.40, 125,703,135.76 and 58,064,091.18
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Solution
The fourth proportional to 91,059,491.40, 125,703,135.76 and 58,064,091.18 is: 80,154,613.47
Step by Step Solution
- Step 1: Write the proportion equation
91,059,491.40 : 125,703,135.76 = 58,064,091.18 : x - Step 2: Convert to fraction form
91,059,491.40/125,703,135.76 = 58,064,091.18/x - Step 3: Cross multiply
91,059,491.40x = 125,703,135.76 × 58,064,091.18 - Step 4: Simplify right side
91,059,491.40x = 7,298,838,336,416,511 - Step 5: Solve for x
x = 7,298,838,336,416,511/91,059,491.40 - Step 6: Final answer
x = 80,154,613.47
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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.