Finding the Fourth Proportional to 208,225,091.74, 312,372,752.74 and 70,017,845.44
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Solution
The fourth proportional to 208,225,091.74, 312,372,752.74 and 70,017,845.44 is: 105,038,575.99
Step by Step Solution
- Step 1: Write the proportion equation
208,225,091.74 : 312,372,752.74 = 70,017,845.44 : x - Step 2: Convert to fraction form
208,225,091.74/312,372,752.74 = 70,017,845.44/x - Step 3: Cross multiply
208,225,091.74x = 312,372,752.74 × 70,017,845.44 - Step 4: Simplify right side
208,225,091.74x = 21,871,667,121,016,656 - Step 5: Solve for x
x = 21,871,667,121,016,656/208,225,091.74 - Step 6: Final answer
x = 105,038,575.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.