Finding the Fourth Proportional to 272,723,251.60, 376,355,594.28 and 148,963,891.60
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Solution
The fourth proportional to 272,723,251.60, 376,355,594.28 and 148,963,891.60 is: 205,568,808.75
Step by Step Solution
- Step 1: Write the proportion equation
272,723,251.60 : 376,355,594.28 = 148,963,891.60 : x - Step 2: Convert to fraction form
272,723,251.60/376,355,594.28 = 148,963,891.60/x - Step 3: Cross multiply
272,723,251.60x = 376,355,594.28 × 148,963,891.60 - Step 4: Simplify right side
272,723,251.60x = 56,063,393,949,379,496 - Step 5: Solve for x
x = 56,063,393,949,379,496/272,723,251.60 - Step 6: Final answer
x = 205,568,808.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.