Finding the Fourth Proportional to 73,872,218.70, 110,808,328.05 and 69,904,125.90
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Solution
The fourth proportional to 73,872,218.70, 110,808,328.05 and 69,904,125.90 is: 104,856,188.85
Step by Step Solution
- Step 1: Write the proportion equation
73,872,218.70 : 110,808,328.05 = 69,904,125.90 : x - Step 2: Convert to fraction form
73,872,218.70/110,808,328.05 = 69,904,125.90/x - Step 3: Cross multiply
73,872,218.70x = 110,808,328.05 × 69,904,125.90 - Step 4: Simplify right side
73,872,218.70x = 7,745,959,314,775,702 - Step 5: Solve for x
x = 7,745,959,314,775,702/73,872,218.70 - Step 6: Final answer
x = 104,856,188.85
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.