Finding the Fourth Proportional to 186,603,130.20, 279,904,695.30 and 118,746,643.80
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Solution
The fourth proportional to 186,603,130.20, 279,904,695.30 and 118,746,643.80 is: 178,119,965.70
Step by Step Solution
- Step 1: Write the proportion equation
186,603,130.20 : 279,904,695.30 = 118,746,643.80 : x - Step 2: Convert to fraction form
186,603,130.20/279,904,695.30 = 118,746,643.80/x - Step 3: Cross multiply
186,603,130.20x = 279,904,695.30 × 118,746,643.80 - Step 4: Simplify right side
186,603,130.20x = 33,237,743,150,736,636 - Step 5: Solve for x
x = 33,237,743,150,736,636/186,603,130.20 - Step 6: Final answer
x = 178,119,965.70
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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.