Finding the Fourth Proportional to 223,864,757.80, 335,797,136.70 and 78,249,923.80
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Solution
The fourth proportional to 223,864,757.80, 335,797,136.70 and 78,249,923.80 is: 117,374,885.70
Step by Step Solution
- Step 1: Write the proportion equation
223,864,757.80 : 335,797,136.70 = 78,249,923.80 : x - Step 2: Convert to fraction form
223,864,757.80/335,797,136.70 = 78,249,923.80/x - Step 3: Cross multiply
223,864,757.80x = 335,797,136.70 × 78,249,923.80 - Step 4: Simplify right side
223,864,757.80x = 26,276,100,359,033,180 - Step 5: Solve for x
x = 26,276,100,359,033,180/223,864,757.80 - Step 6: Final answer
x = 117,374,885.70
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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.