Finding the Fourth Proportional to 65,203,625.80, 97,805,438.70 and 42,528,809.80
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Solution
The fourth proportional to 65,203,625.80, 97,805,438.70 and 42,528,809.80 is: 63,793,214.70
Step by Step Solution
- Step 1: Write the proportion equation
65,203,625.80 : 97,805,438.70 = 42,528,809.80 : x - Step 2: Convert to fraction form
65,203,625.80/97,805,438.70 = 42,528,809.80/x - Step 3: Cross multiply
65,203,625.80x = 97,805,438.70 × 42,528,809.80 - Step 4: Simplify right side
65,203,625.80x = 4,159,548,899,877,859 - Step 5: Solve for x
x = 4,159,548,899,877,859/65,203,625.80 - Step 6: Final answer
x = 63,793,214.70
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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.