Finding the Fourth Proportional to 161,751,805.30, 242,627,707.95 and 133,030,371.70
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Solution
The fourth proportional to 161,751,805.30, 242,627,707.95 and 133,030,371.70 is: 199,545,557.55
Step by Step Solution
- Step 1: Write the proportion equation
161,751,805.30 : 242,627,707.95 = 133,030,371.70 : x - Step 2: Convert to fraction form
161,751,805.30/242,627,707.95 = 133,030,371.70/x - Step 3: Cross multiply
161,751,805.30x = 242,627,707.95 × 133,030,371.70 - Step 4: Simplify right side
161,751,805.30x = 32,276,854,173,307,544 - Step 5: Solve for x
x = 32,276,854,173,307,544/161,751,805.30 - Step 6: Final answer
x = 199,545,557.55
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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.