Finding the Fourth Proportional to 98,112,340.80, 147,168,511.20 and 29,946,175.20
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Solution
The fourth proportional to 98,112,340.80, 147,168,511.20 and 29,946,175.20 is: 44,919,262.80
Step by Step Solution
- Step 1: Write the proportion equation
98,112,340.80 : 147,168,511.20 = 29,946,175.20 : x - Step 2: Convert to fraction form
98,112,340.80/147,168,511.20 = 29,946,175.20/x - Step 3: Cross multiply
98,112,340.80x = 147,168,511.20 × 29,946,175.20 - Step 4: Simplify right side
98,112,340.80x = 4,407,134,020,318,362 - Step 5: Solve for x
x = 4,407,134,020,318,362/98,112,340.80 - Step 6: Final answer
x = 44,919,262.80
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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.