Finding the Fourth Proportional to 163,884,799.72, 245,843,746.67 and 53,215,842.50
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Solution
The fourth proportional to 163,884,799.72, 245,843,746.67 and 53,215,842.50 is: 79,829,136.84
Step by Step Solution
- Step 1: Write the proportion equation
163,884,799.72 : 245,843,746.67 = 53,215,842.50 : x - Step 2: Convert to fraction form
163,884,799.72/245,843,746.67 = 53,215,842.50/x - Step 3: Cross multiply
163,884,799.72x = 245,843,746.67 × 53,215,842.50 - Step 4: Simplify right side
163,884,799.72x = 13,082,782,102,400,618 - Step 5: Solve for x
x = 13,082,782,102,400,618/163,884,799.72 - Step 6: Final answer
x = 79,829,136.84
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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.