Finding the Fourth Proportional to 86,687,670, 129,858,239.88 and 52,125,147.66
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Solution
The fourth proportional to 86,687,670, 129,858,239.88 and 52,125,147.66 is: 78,083,537.47
Step by Step Solution
- Step 1: Write the proportion equation
86,687,670 : 129,858,239.88 = 52,125,147.66 : x - Step 2: Convert to fraction form
86,687,670/129,858,239.88 = 52,125,147.66/x - Step 3: Cross multiply
86,687,670x = 129,858,239.88 × 52,125,147.66 - Step 4: Simplify right side
86,687,670x = 6,768,879,928,612,700 - Step 5: Solve for x
x = 6,768,879,928,612,700/86,687,670 - Step 6: Final answer
x = 78,083,537.47
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.