Finding the Fourth Proportional to 46,270,869.20, 69,430,069.20 and 20,381,312.24
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Solution
The fourth proportional to 46,270,869.20, 69,430,069.20 and 20,381,312.24 is: 30,582,436.50
Step by Step Solution
- Step 1: Write the proportion equation
46,270,869.20 : 69,430,069.20 = 20,381,312.24 : x - Step 2: Convert to fraction form
46,270,869.20/69,430,069.20 = 20,381,312.24/x - Step 3: Cross multiply
46,270,869.20x = 69,430,069.20 × 20,381,312.24 - Step 4: Simplify right side
46,270,869.20x = 1,415,075,919,210,007 - Step 5: Solve for x
x = 1,415,075,919,210,007/46,270,869.20 - Step 6: Final answer
x = 30,582,436.50
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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.