Finding the Fourth Proportional to 172,257,972,822.08, 237,706,084,500 and 96,128,411,842.88
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Solution
The fourth proportional to 172,257,972,822.08, 237,706,084,500 and 96,128,411,842.88 is: 132,651,673,614.99
Step by Step Solution
- Step 1: Write the proportion equation
172,257,972,822.08 : 237,706,084,500 = 96,128,411,842.88 : x - Step 2: Convert to fraction form
172,257,972,822.08/237,706,084,500 = 96,128,411,842.88/x - Step 3: Cross multiply
172,257,972,822.08x = 237,706,084,500 × 96,128,411,842.88 - Step 4: Simplify right side
172,257,972,822.08x = 22,850,308,388,374,433,497,088 - Step 5: Solve for x
x = 22,850,308,388,374,433,497,088/172,257,972,822.08 - Step 6: Final answer
x = 132,651,673,614.99
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1.5x scale
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.