Finding the Fourth Proportional to 98,340,795.08, 135,709,464.84 and 54,286,847.96
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Solution
The fourth proportional to 98,340,795.08, 135,709,464.84 and 54,286,847.96 is: 74,915,390.69
Step by Step Solution
- Step 1: Write the proportion equation
98,340,795.08 : 135,709,464.84 = 54,286,847.96 : x - Step 2: Convert to fraction form
98,340,795.08/135,709,464.84 = 54,286,847.96/x - Step 3: Cross multiply
98,340,795.08x = 135,709,464.84 × 54,286,847.96 - Step 4: Simplify right side
98,340,795.08x = 7,367,239,084,502,046 - Step 5: Solve for x
x = 7,367,239,084,502,046/98,340,795.08 - Step 6: Final answer
x = 74,915,390.69
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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.