Finding the Fourth Proportional to 71,369,658.08, 98,468,430 and 40,424,910.56
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Solution
The fourth proportional to 71,369,658.08, 98,468,430 and 40,424,910.56 is: 55,774,086.39
Step by Step Solution
- Step 1: Write the proportion equation
71,369,658.08 : 98,468,430 = 40,424,910.56 : x - Step 2: Convert to fraction form
71,369,658.08/98,468,430 = 40,424,910.56/x - Step 3: Cross multiply
71,369,658.08x = 98,468,430 × 40,424,910.56 - Step 4: Simplify right side
71,369,658.08x = 3,980,577,475,733,621 - Step 5: Solve for x
x = 3,980,577,475,733,621/71,369,658.08 - Step 6: Final answer
x = 55,774,086.39
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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.