Finding the Fourth Proportional to 134,515,814.40, 201,773,721.60 and 86,048,395.20
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Solution
The fourth proportional to 134,515,814.40, 201,773,721.60 and 86,048,395.20 is: 129,072,592.80
Step by Step Solution
- Step 1: Write the proportion equation
134,515,814.40 : 201,773,721.60 = 86,048,395.20 : x - Step 2: Convert to fraction form
134,515,814.40/201,773,721.60 = 86,048,395.20/x - Step 3: Cross multiply
134,515,814.40x = 201,773,721.60 × 86,048,395.20 - Step 4: Simplify right side
134,515,814.40x = 17,362,304,937,211,576 - Step 5: Solve for x
x = 17,362,304,937,211,576/134,515,814.40 - Step 6: Final answer
x = 129,072,592.80
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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.