Finding the Fourth Proportional to 134,515,809.90, 201,773,714.85 and 86,048,390.70
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Solution
The fourth proportional to 134,515,809.90, 201,773,714.85 and 86,048,390.70 is: 129,072,586.05
Step by Step Solution
- Step 1: Write the proportion equation
134,515,809.90 : 201,773,714.85 = 86,048,390.70 : x - Step 2: Convert to fraction form
134,515,809.90/201,773,714.85 = 86,048,390.70/x - Step 3: Cross multiply
134,515,809.90x = 201,773,714.85 × 86,048,390.70 - Step 4: Simplify right side
134,515,809.90x = 17,362,303,448,403,192 - Step 5: Solve for x
x = 17,362,303,448,403,192/134,515,809.90 - Step 6: Final answer
x = 129,072,586.05
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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.