Finding the Fourth Proportional to 163,912,154.80, 245,868,232.20 and 154,506,305.20
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Solution
The fourth proportional to 163,912,154.80, 245,868,232.20 and 154,506,305.20 is: 231,759,457.80
Step by Step Solution
- Step 1: Write the proportion equation
163,912,154.80 : 245,868,232.20 = 154,506,305.20 : x - Step 2: Convert to fraction form
163,912,154.80/245,868,232.20 = 154,506,305.20/x - Step 3: Cross multiply
163,912,154.80x = 245,868,232.20 × 154,506,305.20 - Step 4: Simplify right side
163,912,154.80x = 37,988,192,123,277,664 - Step 5: Solve for x
x = 37,988,192,123,277,664/163,912,154.80 - Step 6: Final answer
x = 231,759,457.80
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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.