Finding the Fourth Proportional to 117,004,603.05, 175,506,904.58 and 82,992,379.05
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Solution
The fourth proportional to 117,004,603.05, 175,506,904.58 and 82,992,379.05 is: 124,488,568.58
Step by Step Solution
- Step 1: Write the proportion equation
117,004,603.05 : 175,506,904.58 = 82,992,379.05 : x - Step 2: Convert to fraction form
117,004,603.05/175,506,904.58 = 82,992,379.05/x - Step 3: Cross multiply
117,004,603.05x = 175,506,904.58 × 82,992,379.05 - Step 4: Simplify right side
117,004,603.05x = 14,565,735,550,380,578 - Step 5: Solve for x
x = 14,565,735,550,380,578/117,004,603.05 - Step 6: Final answer
x = 124,488,568.58
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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.