Finding the Fourth Proportional to 71,559,937,193.40, 107,339,905,790.10 and 19,220,415,247.80
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Solution
The fourth proportional to 71,559,937,193.40, 107,339,905,790.10 and 19,220,415,247.80 is: 28,830,622,871.70
Step by Step Solution
- Step 1: Write the proportion equation
71,559,937,193.40 : 107,339,905,790.10 = 19,220,415,247.80 : x - Step 2: Convert to fraction form
71,559,937,193.40/107,339,905,790.10 = 19,220,415,247.80/x - Step 3: Cross multiply
71,559,937,193.40x = 107,339,905,790.10 × 19,220,415,247.80 - Step 4: Simplify right side
71,559,937,193.40x = 2,063,117,561,945,453,494,272 - Step 5: Solve for x
x = 2,063,117,561,945,453,494,272/71,559,937,193.40 - Step 6: Final answer
x = 28,830,622,871.70
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1.5x scale
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.