Finding the Fourth Proportional to 69,492,771.54, 95,908,528.98 and 40,124,054.79
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Solution
The fourth proportional to 69,492,771.54, 95,908,528.98 and 40,124,054.79 is: 55,376,105.84
Step by Step Solution
- Step 1: Write the proportion equation
69,492,771.54 : 95,908,528.98 = 40,124,054.79 : x - Step 2: Convert to fraction form
69,492,771.54/95,908,528.98 = 40,124,054.79/x - Step 3: Cross multiply
69,492,771.54x = 95,908,528.98 × 40,124,054.79 - Step 4: Simplify right side
69,492,771.54x = 3,848,239,071,621,823 - Step 5: Solve for x
x = 3,848,239,071,621,823/69,492,771.54 - Step 6: Final answer
x = 55,376,105.84
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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.