Finding the Fourth Proportional to 79,799,611.18, 110,123,413.66 and 43,130,182.18
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Solution
The fourth proportional to 79,799,611.18, 110,123,413.66 and 43,130,182.18 is: 59,519,624.51
Step by Step Solution
- Step 1: Write the proportion equation
79,799,611.18 : 110,123,413.66 = 43,130,182.18 : x - Step 2: Convert to fraction form
79,799,611.18/110,123,413.66 = 43,130,182.18/x - Step 3: Cross multiply
79,799,611.18x = 110,123,413.66 × 43,130,182.18 - Step 4: Simplify right side
79,799,611.18x = 4,749,642,893,439,300 - Step 5: Solve for x
x = 4,749,642,893,439,300/79,799,611.18 - Step 6: Final answer
x = 59,519,624.51
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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.