Finding the Fourth Proportional to 98,658,230.80, 147,987,346.20 and 94,627,152.40
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Solution
The fourth proportional to 98,658,230.80, 147,987,346.20 and 94,627,152.40 is: 141,940,728.60
Step by Step Solution
- Step 1: Write the proportion equation
98,658,230.80 : 147,987,346.20 = 94,627,152.40 : x - Step 2: Convert to fraction form
98,658,230.80/147,987,346.20 = 94,627,152.40/x - Step 3: Cross multiply
98,658,230.80x = 147,987,346.20 × 94,627,152.40 - Step 4: Simplify right side
98,658,230.80x = 14,003,621,162,138,960 - Step 5: Solve for x
x = 14,003,621,162,138,960/98,658,230.80 - Step 6: Final answer
x = 141,940,728.60
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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.