Finding the Fourth Proportional to 147,744,145.80, 221,616,218.70 and 40,038,769.80
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Solution
The fourth proportional to 147,744,145.80, 221,616,218.70 and 40,038,769.80 is: 60,058,154.70
Step by Step Solution
- Step 1: Write the proportion equation
147,744,145.80 : 221,616,218.70 = 40,038,769.80 : x - Step 2: Convert to fraction form
147,744,145.80/221,616,218.70 = 40,038,769.80/x - Step 3: Cross multiply
147,744,145.80x = 221,616,218.70 × 40,038,769.80 - Step 4: Simplify right side
147,744,145.80x = 8,873,240,764,475,754 - Step 5: Solve for x
x = 8,873,240,764,475,754/147,744,145.80 - Step 6: Final answer
x = 60,058,154.70
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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.