Finding the Fourth Proportional to 108,874,231.30, 163,311,346.95 and 97,788,765.70
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Solution
The fourth proportional to 108,874,231.30, 163,311,346.95 and 97,788,765.70 is: 146,683,148.55
Step by Step Solution
- Step 1: Write the proportion equation
108,874,231.30 : 163,311,346.95 = 97,788,765.70 : x - Step 2: Convert to fraction form
108,874,231.30/163,311,346.95 = 97,788,765.70/x - Step 3: Cross multiply
108,874,231.30x = 163,311,346.95 × 97,788,765.70 - Step 4: Simplify right side
108,874,231.30x = 15,970,015,043,044,958 - Step 5: Solve for x
x = 15,970,015,043,044,958/108,874,231.30 - Step 6: Final answer
x = 146,683,148.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.