Finding the Fourth Proportional to 69,121,202.40, 103,681,803.60 and 46,278,424.80
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Solution
The fourth proportional to 69,121,202.40, 103,681,803.60 and 46,278,424.80 is: 69,417,637.20
Step by Step Solution
- Step 1: Write the proportion equation
69,121,202.40 : 103,681,803.60 = 46,278,424.80 : x - Step 2: Convert to fraction form
69,121,202.40/103,681,803.60 = 46,278,424.80/x - Step 3: Cross multiply
69,121,202.40x = 103,681,803.60 × 46,278,424.80 - Step 4: Simplify right side
69,121,202.40x = 4,798,230,551,030,969 - Step 5: Solve for x
x = 4,798,230,551,030,969/69,121,202.40 - Step 6: Final answer
x = 69,417,637.20
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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.