Finding the Fourth Proportional to 55,963,639.26, 77,227,783.26 and 31,182,545.70
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Solution
The fourth proportional to 55,963,639.26, 77,227,783.26 and 31,182,545.70 is: 43,030,776.99
Step by Step Solution
- Step 1: Write the proportion equation
55,963,639.26 : 77,227,783.26 = 31,182,545.70 : x - Step 2: Convert to fraction form
55,963,639.26/77,227,783.26 = 31,182,545.70/x - Step 3: Cross multiply
55,963,639.26x = 77,227,783.26 × 31,182,545.70 - Step 4: Simplify right side
55,963,639.26x = 2,408,158,880,814,645 - Step 5: Solve for x
x = 2,408,158,880,814,645/55,963,639.26 - Step 6: Final answer
x = 43,030,776.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.