Finding the Fourth Proportional to 155,038,613.96, 213,958,133.40 and 88,971,197.48
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Solution
The fourth proportional to 155,038,613.96, 213,958,133.40 and 88,971,197.48 is: 122,783,033.55
Step by Step Solution
- Step 1: Write the proportion equation
155,038,613.96 : 213,958,133.40 = 88,971,197.48 : x - Step 2: Convert to fraction form
155,038,613.96/213,958,133.40 = 88,971,197.48/x - Step 3: Cross multiply
155,038,613.96x = 213,958,133.40 × 88,971,197.48 - Step 4: Simplify right side
155,038,613.96x = 19,036,111,339,183,584 - Step 5: Solve for x
x = 19,036,111,339,183,584/155,038,613.96 - Step 6: Final answer
x = 122,783,033.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.