Finding the Fourth Proportional to 121,995,436,637.80, 182,993,154,956.70 and 121,995,436,637.80
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Solution
The fourth proportional to 121,995,436,637.80, 182,993,154,956.70 and 121,995,436,637.80 is: 182,993,154,956.70
Step by Step Solution
- Step 1: Write the proportion equation
121,995,436,637.80 : 182,993,154,956.70 = 121,995,436,637.80 : x - Step 2: Convert to fraction form
121,995,436,637.80/182,993,154,956.70 = 121,995,436,637.80/x - Step 3: Cross multiply
121,995,436,637.80x = 182,993,154,956.70 × 121,995,436,637.80 - Step 4: Simplify right side
121,995,436,637.80x = 22,324,329,840,671,214,010,368 - Step 5: Solve for x
x = 22,324,329,840,671,214,010,368/121,995,436,637.80 - Step 6: Final answer
x = 182,993,154,956.70
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1.5x scale
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.