Finding the Fourth Proportional to 57,526,879.32, 79,386,621.75 and 31,421,413.62
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Solution
The fourth proportional to 57,526,879.32, 79,386,621.75 and 31,421,413.62 is: 43,361,293.14
Step by Step Solution
- Step 1: Write the proportion equation
57,526,879.32 : 79,386,621.75 = 31,421,413.62 : x - Step 2: Convert to fraction form
57,526,879.32/79,386,621.75 = 31,421,413.62/x - Step 3: Cross multiply
57,526,879.32x = 79,386,621.75 × 31,421,413.62 - Step 4: Simplify right side
57,526,879.32x = 2,494,439,877,901,238.50 - Step 5: Solve for x
x = 2,494,439,877,901,238.50/57,526,879.32 - Step 6: Final answer
x = 43,361,293.14
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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.