Finding the Fourth Proportional to 226,403,645.10, 312,438,088.29 and 128,623,866.54
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Solution
The fourth proportional to 226,403,645.10, 312,438,088.29 and 128,623,866.54 is: 177,501,536.92
Step by Step Solution
- Step 1: Write the proportion equation
226,403,645.10 : 312,438,088.29 = 128,623,866.54 : x - Step 2: Convert to fraction form
226,403,645.10/312,438,088.29 = 128,623,866.54/x - Step 3: Cross multiply
226,403,645.10x = 312,438,088.29 × 128,623,866.54 - Step 4: Simplify right side
226,403,645.10x = 40,186,994,970,225,704 - Step 5: Solve for x
x = 40,186,994,970,225,704/226,403,645.10 - Step 6: Final answer
x = 177,501,536.92
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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.