Finding the Fourth Proportional to 98,340,604.96, 135,706,478.04 and 54,286,658.26
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Solution
The fourth proportional to 98,340,604.96, 135,706,478.04 and 54,286,658.26 is: 74,913,624.95
Step by Step Solution
- Step 1: Write the proportion equation
98,340,604.96 : 135,706,478.04 = 54,286,658.26 : x - Step 2: Convert to fraction form
98,340,604.96/135,706,478.04 = 54,286,658.26/x - Step 3: Cross multiply
98,340,604.96x = 135,706,478.04 × 54,286,658.26 - Step 4: Simplify right side
98,340,604.96x = 7,367,051,197,025,674 - Step 5: Solve for x
x = 7,367,051,197,025,674/98,340,604.96 - Step 6: Final answer
x = 74,913,624.95
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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.