Finding the Fourth Proportional to 108,389,842.65, 149,577,603.98 and 58,830,213.62
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Solution
The fourth proportional to 108,389,842.65, 149,577,603.98 and 58,830,213.62 is: 81,185,489.16
Step by Step Solution
- Step 1: Write the proportion equation
108,389,842.65 : 149,577,603.98 = 58,830,213.62 : x - Step 2: Convert to fraction form
108,389,842.65/149,577,603.98 = 58,830,213.62/x - Step 3: Cross multiply
108,389,842.65x = 149,577,603.98 × 58,830,213.62 - Step 4: Simplify right side
108,389,842.65x = 8,799,682,394,990,955 - Step 5: Solve for x
x = 8,799,682,394,990,955/108,389,842.65 - Step 6: Final answer
x = 81,185,489.16
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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.