Finding the Fourth Proportional to 106,588,897.80, 159,883,346.70 and 38,438,478.60
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Solution
The fourth proportional to 106,588,897.80, 159,883,346.70 and 38,438,478.60 is: 57,657,717.90
Step by Step Solution
- Step 1: Write the proportion equation
106,588,897.80 : 159,883,346.70 = 38,438,478.60 : x - Step 2: Convert to fraction form
106,588,897.80/159,883,346.70 = 38,438,478.60/x - Step 3: Cross multiply
106,588,897.80x = 159,883,346.70 × 38,438,478.60 - Step 4: Simplify right side
106,588,897.80x = 6,145,672,600,624,330 - Step 5: Solve for x
x = 6,145,672,600,624,330/106,588,897.80 - Step 6: Final answer
x = 57,657,717.90
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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.