Finding the Fourth Proportional to 134,752,891.60, 202,129,337.40 and 66,581,477.20
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Solution
The fourth proportional to 134,752,891.60, 202,129,337.40 and 66,581,477.20 is: 99,872,215.80
Step by Step Solution
- Step 1: Write the proportion equation
134,752,891.60 : 202,129,337.40 = 66,581,477.20 : x - Step 2: Convert to fraction form
134,752,891.60/202,129,337.40 = 66,581,477.20/x - Step 3: Cross multiply
134,752,891.60x = 202,129,337.40 × 66,581,477.20 - Step 4: Simplify right side
134,752,891.60x = 13,458,069,869,549,208 - Step 5: Solve for x
x = 13,458,069,869,549,208/134,752,891.60 - Step 6: Final answer
x = 99,872,215.80
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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.