Finding the Fourth Proportional to 85,468,331.90, 128,202,497.85 and 24,886,034.30
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Solution
The fourth proportional to 85,468,331.90, 128,202,497.85 and 24,886,034.30 is: 37,329,051.45
Step by Step Solution
- Step 1: Write the proportion equation
85,468,331.90 : 128,202,497.85 = 24,886,034.30 : x - Step 2: Convert to fraction form
85,468,331.90/128,202,497.85 = 24,886,034.30/x - Step 3: Cross multiply
85,468,331.90x = 128,202,497.85 × 24,886,034.30 - Step 4: Simplify right side
85,468,331.90x = 3,190,451,758,840,776 - Step 5: Solve for x
x = 3,190,451,758,840,776/85,468,331.90 - Step 6: Final answer
x = 37,329,051.45
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1.5x scale
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.