Finding the Fourth Proportional to 113,707,244.68, 156,915,997.80 and 61,496,280.08
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Solution
The fourth proportional to 113,707,244.68, 156,915,997.80 and 61,496,280.08 is: 84,864,866.59
Step by Step Solution
- Step 1: Write the proportion equation
113,707,244.68 : 156,915,997.80 = 61,496,280.08 : x - Step 2: Convert to fraction form
113,707,244.68/156,915,997.80 = 61,496,280.08/x - Step 3: Cross multiply
113,707,244.68x = 156,915,997.80 × 61,496,280.08 - Step 4: Simplify right side
113,707,244.68x = 9,649,750,149,741,464 - Step 5: Solve for x
x = 9,649,750,149,741,464/113,707,244.68 - Step 6: Final answer
x = 84,864,866.59
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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.