Finding the Fourth Proportional to 131,106,639.64, 196,717,975.08 and 68,843,307.64
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Solution
The fourth proportional to 131,106,639.64, 196,717,975.08 and 68,843,307.64 is: 103,295,425.11
Step by Step Solution
- Step 1: Write the proportion equation
131,106,639.64 : 196,717,975.08 = 68,843,307.64 : x - Step 2: Convert to fraction form
131,106,639.64/196,717,975.08 = 68,843,307.64/x - Step 3: Cross multiply
131,106,639.64x = 196,717,975.08 × 68,843,307.64 - Step 4: Simplify right side
131,106,639.64x = 13,542,716,076,750,294 - Step 5: Solve for x
x = 13,542,716,076,750,294/131,106,639.64 - Step 6: Final answer
x = 103,295,425.11
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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.