Finding the Fourth Proportional to 73,400,688.80, 101,293,067.04 and 40,805,640.80
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Solution
The fourth proportional to 73,400,688.80, 101,293,067.04 and 40,805,640.80 is: 56,311,849.07
Step by Step Solution
- Step 1: Write the proportion equation
73,400,688.80 : 101,293,067.04 = 40,805,640.80 : x - Step 2: Convert to fraction form
73,400,688.80/101,293,067.04 = 40,805,640.80/x - Step 3: Cross multiply
73,400,688.80x = 101,293,067.04 × 40,805,640.80 - Step 4: Simplify right side
73,400,688.80x = 4,133,328,509,164,559 - Step 5: Solve for x
x = 4,133,328,509,164,559/73,400,688.80 - Step 6: Final answer
x = 56,311,849.07
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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.