Finding the Fourth Proportional to 252,306,118.57, 378,457,589.75 and 135,776,365.45
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Solution
The fourth proportional to 252,306,118.57, 378,457,589.75 and 135,776,365.45 is: 203,663,693.55
Step by Step Solution
- Step 1: Write the proportion equation
252,306,118.57 : 378,457,589.75 = 135,776,365.45 : x - Step 2: Convert to fraction form
252,306,118.57/378,457,589.75 = 135,776,365.45/x - Step 3: Cross multiply
252,306,118.57x = 378,457,589.75 × 135,776,365.45 - Step 4: Simplify right side
252,306,118.57x = 51,385,596,013,222,168 - Step 5: Solve for x
x = 51,385,596,013,222,168/252,306,118.57 - Step 6: Final answer
x = 203,663,693.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.