Finding the Fourth Proportional to 145,951,435.20, 218,927,152.80 and 48,874,879.20
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Solution
The fourth proportional to 145,951,435.20, 218,927,152.80 and 48,874,879.20 is: 73,312,318.80
Step by Step Solution
- Step 1: Write the proportion equation
145,951,435.20 : 218,927,152.80 = 48,874,879.20 : x - Step 2: Convert to fraction form
145,951,435.20/218,927,152.80 = 48,874,879.20/x - Step 3: Cross multiply
145,951,435.20x = 218,927,152.80 × 48,874,879.20 - Step 4: Simplify right side
145,951,435.20x = 10,700,038,146,699,942 - Step 5: Solve for x
x = 10,700,038,146,699,942/145,951,435.20 - Step 6: Final answer
x = 73,312,318.80
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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.