Finding the Fourth Proportional to 186,179,652.23, 256,927,907.88 and 107,908,606.53
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Solution
The fourth proportional to 186,179,652.23, 256,927,907.88 and 107,908,606.53 is: 148,913,869.95
Step by Step Solution
- Step 1: Write the proportion equation
186,179,652.23 : 256,927,907.88 = 107,908,606.53 : x - Step 2: Convert to fraction form
186,179,652.23/256,927,907.88 = 107,908,606.53/x - Step 3: Cross multiply
186,179,652.23x = 256,927,907.88 × 107,908,606.53 - Step 4: Simplify right side
186,179,652.23x = 27,724,732,517,999,008 - Step 5: Solve for x
x = 27,724,732,517,999,008/186,179,652.23 - Step 6: Final answer
x = 148,913,869.95
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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.