Finding the Fourth Proportional to 74,888,125.20, 112,332,187.80 and 72,018,343.80
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Solution
The fourth proportional to 74,888,125.20, 112,332,187.80 and 72,018,343.80 is: 108,027,515.70
Step by Step Solution
- Step 1: Write the proportion equation
74,888,125.20 : 112,332,187.80 = 72,018,343.80 : x - Step 2: Convert to fraction form
74,888,125.20/112,332,187.80 = 72,018,343.80/x - Step 3: Cross multiply
74,888,125.20x = 112,332,187.80 × 72,018,343.80 - Step 4: Simplify right side
74,888,125.20x = 8,089,978,120,786,565 - Step 5: Solve for x
x = 8,089,978,120,786,565/74,888,125.20 - Step 6: Final answer
x = 108,027,515.70
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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.