Finding the Fourth Proportional to 110,280,279.80, 165,420,419.70 and 29,501,247.80
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Solution
The fourth proportional to 110,280,279.80, 165,420,419.70 and 29,501,247.80 is: 44,251,871.70
Step by Step Solution
- Step 1: Write the proportion equation
110,280,279.80 : 165,420,419.70 = 29,501,247.80 : x - Step 2: Convert to fraction form
110,280,279.80/165,420,419.70 = 29,501,247.80/x - Step 3: Cross multiply
110,280,279.80x = 165,420,419.70 × 29,501,247.80 - Step 4: Simplify right side
110,280,279.80x = 4,880,108,792,749,701 - Step 5: Solve for x
x = 4,880,108,792,749,701/110,280,279.80 - Step 6: Final answer
x = 44,251,871.70
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Double scale
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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.