Finding the Fourth Proportional to 64,349,838.20, 88,804,614.72 and 39,233,397.08
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Solution
The fourth proportional to 64,349,838.20, 88,804,614.72 and 39,233,397.08 is: 54,143,208.58
Step by Step Solution
- Step 1: Write the proportion equation
64,349,838.20 : 88,804,614.72 = 39,233,397.08 : x - Step 2: Convert to fraction form
64,349,838.20/88,804,614.72 = 39,233,397.08/x - Step 3: Cross multiply
64,349,838.20x = 88,804,614.72 × 39,233,397.08 - Step 4: Simplify right side
64,349,838.20x = 3,484,106,711,846,173 - Step 5: Solve for x
x = 3,484,106,711,846,173/64,349,838.20 - Step 6: Final answer
x = 54,143,208.58
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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.