Finding the Fourth Proportional to 54,072,423.09, 74,594,930.79 and 47,883,776.85
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Solution
The fourth proportional to 54,072,423.09, 74,594,930.79 and 47,883,776.85 is: 66,057,461.75
Step by Step Solution
- Step 1: Write the proportion equation
54,072,423.09 : 74,594,930.79 = 47,883,776.85 : x - Step 2: Convert to fraction form
54,072,423.09/74,594,930.79 = 47,883,776.85/x - Step 3: Cross multiply
54,072,423.09x = 74,594,930.79 × 47,883,776.85 - Step 4: Simplify right side
54,072,423.09x = 3,571,887,020,089,554.50 - Step 5: Solve for x
x = 3,571,887,020,089,554.50/54,072,423.09 - Step 6: Final answer
x = 66,057,461.75
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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.