Finding the Fourth Proportional to 226,403,650.19, 312,438,095.28 and 128,623,871.63
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Solution
The fourth proportional to 226,403,650.19, 312,438,095.28 and 128,623,871.63 is: 177,501,543.92
Step by Step Solution
- Step 1: Write the proportion equation
226,403,650.19 : 312,438,095.28 = 128,623,871.63 : x - Step 2: Convert to fraction form
226,403,650.19/312,438,095.28 = 128,623,871.63/x - Step 3: Cross multiply
226,403,650.19x = 312,438,095.28 × 128,623,871.63 - Step 4: Simplify right side
226,403,650.19x = 40,186,997,458,054,232 - Step 5: Solve for x
x = 40,186,997,458,054,232/226,403,650.19 - Step 6: Final answer
x = 177,501,543.92
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.