Finding the Fourth Proportional to 193,293,991.20, 266,745,751.20 and 106,373,863.20
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Solution
The fourth proportional to 193,293,991.20, 266,745,751.20 and 106,373,863.20 is: 146,795,955.07
Step by Step Solution
- Step 1: Write the proportion equation
193,293,991.20 : 266,745,751.20 = 106,373,863.20 : x - Step 2: Convert to fraction form
193,293,991.20/266,745,751.20 = 106,373,863.20/x - Step 3: Cross multiply
193,293,991.20x = 266,745,751.20 × 106,373,863.20 - Step 4: Simplify right side
193,293,991.20x = 28,374,776,047,330,036 - Step 5: Solve for x
x = 28,374,776,047,330,036/193,293,991.20 - Step 6: Final answer
x = 146,795,955.07
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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.