Finding the Fourth Proportional to 65,173,212.70, 97,822,804.65 and 39,664,044.70
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Solution
The fourth proportional to 65,173,212.70, 97,822,804.65 and 39,664,044.70 is: 59,534,399.73
Step by Step Solution
- Step 1: Write the proportion equation
65,173,212.70 : 97,822,804.65 = 39,664,044.70 : x - Step 2: Convert to fraction form
65,173,212.70/97,822,804.65 = 39,664,044.70/x - Step 3: Cross multiply
65,173,212.70x = 97,822,804.65 × 39,664,044.70 - Step 4: Simplify right side
65,173,212.70x = 3,880,048,096,316,968.50 - Step 5: Solve for x
x = 3,880,048,096,316,968.50/65,173,212.70 - Step 6: Final answer
x = 59,534,399.73
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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.