Finding the Fourth Proportional to 280,824,652.88, 421,294,431.12 and 96,568,199.53
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Solution
The fourth proportional to 280,824,652.88, 421,294,431.12 and 96,568,199.53 is: 144,872,055.45
Step by Step Solution
- Step 1: Write the proportion equation
280,824,652.88 : 421,294,431.12 = 96,568,199.53 : x - Step 2: Convert to fraction form
280,824,652.88/421,294,431.12 = 96,568,199.53/x - Step 3: Cross multiply
280,824,652.88x = 421,294,431.12 × 96,568,199.53 - Step 4: Simplify right side
280,824,652.88x = 40,683,644,683,167,536 - Step 5: Solve for x
x = 40,683,644,683,167,536/280,824,652.88 - Step 6: Final answer
x = 144,872,055.45
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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.