Finding the Fourth Proportional to 45,402,933.96, 68,102,495.76 and 21,133,515.24
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Solution
The fourth proportional to 45,402,933.96, 68,102,495.76 and 21,133,515.24 is: 31,699,386.06
Step by Step Solution
- Step 1: Write the proportion equation
45,402,933.96 : 68,102,495.76 = 21,133,515.24 : x - Step 2: Convert to fraction form
45,402,933.96/68,102,495.76 = 21,133,515.24/x - Step 3: Cross multiply
45,402,933.96x = 68,102,495.76 × 21,133,515.24 - Step 4: Simplify right side
45,402,933.96x = 1,439,245,132,025,995.50 - Step 5: Solve for x
x = 1,439,245,132,025,995.50/45,402,933.96 - Step 6: Final answer
x = 31,699,386.06
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.