Finding the Fourth Proportional to 82,985,068.80, 124,477,603.20 and 44,721,316.80
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Solution
The fourth proportional to 82,985,068.80, 124,477,603.20 and 44,721,316.80 is: 67,081,975.20
Step by Step Solution
- Step 1: Write the proportion equation
82,985,068.80 : 124,477,603.20 = 44,721,316.80 : x - Step 2: Convert to fraction form
82,985,068.80/124,477,603.20 = 44,721,316.80/x - Step 3: Cross multiply
82,985,068.80x = 124,477,603.20 × 44,721,316.80 - Step 4: Simplify right side
82,985,068.80x = 5,566,802,327,211,894 - Step 5: Solve for x
x = 5,566,802,327,211,894/82,985,068.80 - Step 6: Final answer
x = 67,081,975.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.