Finding the Fourth Proportional to 66,209,742.08, 99,250,202.84 and 31,657,164.80
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Solution
The fourth proportional to 66,209,742.08, 99,250,202.84 and 31,657,164.80 is: 47,454,950.42
Step by Step Solution
- Step 1: Write the proportion equation
66,209,742.08 : 99,250,202.84 = 31,657,164.80 : x - Step 2: Convert to fraction form
66,209,742.08/99,250,202.84 = 31,657,164.80/x - Step 3: Cross multiply
66,209,742.08x = 99,250,202.84 × 31,657,164.80 - Step 4: Simplify right side
66,209,742.08x = 3,141,980,027,739,308 - Step 5: Solve for x
x = 3,141,980,027,739,308/66,209,742.08 - Step 6: Final answer
x = 47,454,950.42
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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.