Finding the Fourth Proportional to 68,363,539.80, 102,529,213.38 and 19,828,586.04
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Solution
The fourth proportional to 68,363,539.80, 102,529,213.38 and 19,828,586.04 is: 29,738,210.38
Step by Step Solution
- Step 1: Write the proportion equation
68,363,539.80 : 102,529,213.38 = 19,828,586.04 : x - Step 2: Convert to fraction form
68,363,539.80/102,529,213.38 = 19,828,586.04/x - Step 3: Cross multiply
68,363,539.80x = 102,529,213.38 × 19,828,586.04 - Step 4: Simplify right side
68,363,539.80x = 2,033,009,329,118,849 - Step 5: Solve for x
x = 2,033,009,329,118,849/68,363,539.80 - Step 6: Final answer
x = 29,738,210.38
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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.