Finding the Fourth Proportional to 73,811,868.60, 110,717,802.90 and 39,374,491.80
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Solution
The fourth proportional to 73,811,868.60, 110,717,802.90 and 39,374,491.80 is: 59,061,737.70
Step by Step Solution
- Step 1: Write the proportion equation
73,811,868.60 : 110,717,802.90 = 39,374,491.80 : x - Step 2: Convert to fraction form
73,811,868.60/110,717,802.90 = 39,374,491.80/x - Step 3: Cross multiply
73,811,868.60x = 110,717,802.90 × 39,374,491.80 - Step 4: Simplify right side
73,811,868.60x = 4,359,457,222,400,066 - Step 5: Solve for x
x = 4,359,457,222,400,066/73,811,868.60 - Step 6: Final answer
x = 59,061,737.70
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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.