Finding the Fourth Proportional to 46,356,888.40, 69,535,332.60 and 28,416,101.20
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Solution
The fourth proportional to 46,356,888.40, 69,535,332.60 and 28,416,101.20 is: 42,624,151.80
Step by Step Solution
- Step 1: Write the proportion equation
46,356,888.40 : 69,535,332.60 = 28,416,101.20 : x - Step 2: Convert to fraction form
46,356,888.40/69,535,332.60 = 28,416,101.20/x - Step 3: Cross multiply
46,356,888.40x = 69,535,332.60 × 28,416,101.20 - Step 4: Simplify right side
46,356,888.40x = 1,975,923,048,137,259 - Step 5: Solve for x
x = 1,975,923,048,137,259/46,356,888.40 - Step 6: Final answer
x = 42,624,151.80
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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.