Finding the Fourth Proportional to 65,203,627.80, 97,805,441.70 and 42,528,811.80
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Solution
The fourth proportional to 65,203,627.80, 97,805,441.70 and 42,528,811.80 is: 63,793,217.70
Step by Step Solution
- Step 1: Write the proportion equation
65,203,627.80 : 97,805,441.70 = 42,528,811.80 : x - Step 2: Convert to fraction form
65,203,627.80/97,805,441.70 = 42,528,811.80/x - Step 3: Cross multiply
65,203,627.80x = 97,805,441.70 × 42,528,811.80 - Step 4: Simplify right side
65,203,627.80x = 4,159,549,223,075,172 - Step 5: Solve for x
x = 4,159,549,223,075,172/65,203,627.80 - Step 6: Final answer
x = 63,793,217.70
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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.