Finding the Fourth Proportional to 186,792,346.70, 279,432,692.85 and 164,117,530.70
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Solution
The fourth proportional to 186,792,346.70, 279,432,692.85 and 164,117,530.70 is: 245,512,219.09
Step by Step Solution
- Step 1: Write the proportion equation
186,792,346.70 : 279,432,692.85 = 164,117,530.70 : x - Step 2: Convert to fraction form
186,792,346.70/279,432,692.85 = 164,117,530.70/x - Step 3: Cross multiply
186,792,346.70x = 279,432,692.85 × 164,117,530.70 - Step 4: Simplify right side
186,792,346.70x = 45,859,803,547,393,544 - Step 5: Solve for x
x = 45,859,803,547,393,544/186,792,346.70 - Step 6: Final answer
x = 245,512,219.09
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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.