Finding the Fourth Proportional to 118,102,909.20, 162,991,258.68 and 65,190,123.48
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Solution
The fourth proportional to 118,102,909.20, 162,991,258.68 and 65,190,123.48 is: 89,967,472.87
Step by Step Solution
- Step 1: Write the proportion equation
118,102,909.20 : 162,991,258.68 = 65,190,123.48 : x - Step 2: Convert to fraction form
118,102,909.20/162,991,258.68 = 65,190,123.48/x - Step 3: Cross multiply
118,102,909.20x = 162,991,258.68 × 65,190,123.48 - Step 4: Simplify right side
118,102,909.20x = 10,625,420,279,509,822 - Step 5: Solve for x
x = 10,625,420,279,509,822/118,102,909.20 - Step 6: Final answer
x = 89,967,472.87
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.