Finding the Fourth Proportional to 127,730,607.82, 176,268,309.28 and 68,993,272.87
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Solution
The fourth proportional to 127,730,607.82, 176,268,309.28 and 68,993,272.87 is: 95,210,754.63
Step by Step Solution
- Step 1: Write the proportion equation
127,730,607.82 : 176,268,309.28 = 68,993,272.87 : x - Step 2: Convert to fraction form
127,730,607.82/176,268,309.28 = 68,993,272.87/x - Step 3: Cross multiply
127,730,607.82x = 176,268,309.28 × 68,993,272.87 - Step 4: Simplify right side
127,730,607.82x = 12,161,327,559,875,440 - Step 5: Solve for x
x = 12,161,327,559,875,440/127,730,607.82 - Step 6: Final answer
x = 95,210,754.63
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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.