Finding the Fourth Proportional to 140,311,023.12, 193,533,135.84 and 91,484,586
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Solution
The fourth proportional to 140,311,023.12, 193,533,135.84 and 91,484,586 is: 126,186,085.85
Step by Step Solution
- Step 1: Write the proportion equation
140,311,023.12 : 193,533,135.84 = 91,484,586 : x - Step 2: Convert to fraction form
140,311,023.12/193,533,135.84 = 91,484,586/x - Step 3: Cross multiply
140,311,023.12x = 193,533,135.84 × 91,484,586 - Step 4: Simplify right side
140,311,023.12x = 17,705,298,809,604,162 - Step 5: Solve for x
x = 17,705,298,809,604,162/140,311,023.12 - Step 6: Final answer
x = 126,186,085.85
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1.5x scale
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.