Finding the Fourth Proportional to 230,642,441.84, 318,286,362.18 and 130,192,027.28
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Solution
The fourth proportional to 230,642,441.84, 318,286,362.18 and 130,192,027.28 is: 179,664,880.48
Step by Step Solution
- Step 1: Write the proportion equation
230,642,441.84 : 318,286,362.18 = 130,192,027.28 : x - Step 2: Convert to fraction form
230,642,441.84/318,286,362.18 = 130,192,027.28/x - Step 3: Cross multiply
230,642,441.84x = 318,286,362.18 × 130,192,027.28 - Step 4: Simplify right side
230,642,441.84x = 41,438,346,746,199,088 - Step 5: Solve for x
x = 41,438,346,746,199,088/230,642,441.84 - Step 6: Final answer
x = 179,664,880.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.