Finding the Fourth Proportional to 134,699,399.68, 201,986,282.88 and 69,985,807.36
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Solution
The fourth proportional to 134,699,399.68, 201,986,282.88 and 69,985,807.36 is: 104,946,073.38
Step by Step Solution
- Step 1: Write the proportion equation
134,699,399.68 : 201,986,282.88 = 69,985,807.36 : x - Step 2: Convert to fraction form
134,699,399.68/201,986,282.88 = 69,985,807.36/x - Step 3: Cross multiply
134,699,399.68x = 201,986,282.88 × 69,985,807.36 - Step 4: Simplify right side
134,699,399.68x = 14,136,173,083,002,146 - Step 5: Solve for x
x = 14,136,173,083,002,146/134,699,399.68 - Step 6: Final answer
x = 104,946,073.38
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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.