Finding the Fourth Proportional to 79,174,910.80, 118,762,366.20 and 79,174,910.80
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Solution
The fourth proportional to 79,174,910.80, 118,762,366.20 and 79,174,910.80 is: 118,762,366.20
Step by Step Solution
- Step 1: Write the proportion equation
79,174,910.80 : 118,762,366.20 = 79,174,910.80 : x - Step 2: Convert to fraction form
79,174,910.80/118,762,366.20 = 79,174,910.80/x - Step 3: Cross multiply
79,174,910.80x = 118,762,366.20 × 79,174,910.80 - Step 4: Simplify right side
79,174,910.80x = 9,402,999,750,281,934 - Step 5: Solve for x
x = 9,402,999,750,281,934/79,174,910.80 - Step 6: Final answer
x = 118,762,366.20
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1.5x scale
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.