Finding the Fourth Proportional to 275,316,070.09, 412,823,159.11 and 109,151,243.08
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Solution
The fourth proportional to 275,316,070.09, 412,823,159.11 and 109,151,243.08 is: 163,667,020.87
Step by Step Solution
- Step 1: Write the proportion equation
275,316,070.09 : 412,823,159.11 = 109,151,243.08 : x - Step 2: Convert to fraction form
275,316,070.09/412,823,159.11 = 109,151,243.08/x - Step 3: Cross multiply
275,316,070.09x = 412,823,159.11 × 109,151,243.08 - Step 4: Simplify right side
275,316,070.09x = 45,060,160,989,069,128 - Step 5: Solve for x
x = 45,060,160,989,069,128/275,316,070.09 - Step 6: Final answer
x = 163,667,020.87
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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.