Finding the Fourth Proportional to 163,130,428.20, 244,829,486.70 and 161,854,969.80
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Solution
The fourth proportional to 163,130,428.20, 244,829,486.70 and 161,854,969.80 is: 242,915,252.62
Step by Step Solution
- Step 1: Write the proportion equation
163,130,428.20 : 244,829,486.70 = 161,854,969.80 : x - Step 2: Convert to fraction form
163,130,428.20/244,829,486.70 = 161,854,969.80/x - Step 3: Cross multiply
163,130,428.20x = 244,829,486.70 × 161,854,969.80 - Step 4: Simplify right side
163,130,428.20x = 39,626,869,175,978,000 - Step 5: Solve for x
x = 39,626,869,175,978,000/163,130,428.20 - Step 6: Final answer
x = 242,915,252.62
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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.