Finding the Fourth Proportional to 125,534,681.85, 173,239,933.11 and 69,021,815.76
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Solution
The fourth proportional to 125,534,681.85, 173,239,933.11 and 69,021,815.76 is: 95,251,245.07
Step by Step Solution
- Step 1: Write the proportion equation
125,534,681.85 : 173,239,933.11 = 69,021,815.76 : x - Step 2: Convert to fraction form
125,534,681.85/173,239,933.11 = 69,021,815.76/x - Step 3: Cross multiply
125,534,681.85x = 173,239,933.11 × 69,021,815.76 - Step 4: Simplify right side
125,534,681.85x = 11,957,334,745,393,146 - Step 5: Solve for x
x = 11,957,334,745,393,146/125,534,681.85 - Step 6: Final answer
x = 95,251,245.07
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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.