Finding the Fourth Proportional to 98,340,793.08, 135,709,462.08 and 54,286,845.96
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Solution
The fourth proportional to 98,340,793.08, 135,709,462.08 and 54,286,845.96 is: 74,915,387.93
Step by Step Solution
- Step 1: Write the proportion equation
98,340,793.08 : 135,709,462.08 = 54,286,845.96 : x - Step 2: Convert to fraction form
98,340,793.08/135,709,462.08 = 54,286,845.96/x - Step 3: Cross multiply
98,340,793.08x = 135,709,462.08 × 54,286,845.96 - Step 4: Simplify right side
98,340,793.08x = 7,367,238,663,251,422 - Step 5: Solve for x
x = 7,367,238,663,251,422/98,340,793.08 - Step 6: Final answer
x = 74,915,387.93
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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.