Finding the Fourth Proportional to 87,413,861.84, 120,627,967.74 and 48,254,798.12
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Solution
The fourth proportional to 87,413,861.84, 120,627,967.74 and 48,254,798.12 is: 66,589,876.12
Step by Step Solution
- Step 1: Write the proportion equation
87,413,861.84 : 120,627,967.74 = 48,254,798.12 : x - Step 2: Convert to fraction form
87,413,861.84/120,627,967.74 = 48,254,798.12/x - Step 3: Cross multiply
87,413,861.84x = 120,627,967.74 × 48,254,798.12 - Step 4: Simplify right side
87,413,861.84x = 5,820,878,230,919,572 - Step 5: Solve for x
x = 5,820,878,230,919,572/87,413,861.84 - Step 6: Final answer
x = 66,589,876.12
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.