Finding the Fourth Proportional to 72,243,001,821.24, 99,672,850,662.12 and 41,748,075,792.99
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Solution
The fourth proportional to 72,243,001,821.24, 99,672,850,662.12 and 41,748,075,792.99 is: 57,599,346,913.10
Step by Step Solution
- Step 1: Write the proportion equation
72,243,001,821.24 : 99,672,850,662.12 = 41,748,075,792.99 : x - Step 2: Convert to fraction form
72,243,001,821.24/99,672,850,662.12 = 41,748,075,792.99/x - Step 3: Cross multiply
72,243,001,821.24x = 99,672,850,662.12 × 41,748,075,792.99 - Step 4: Simplify right side
72,243,001,821.24x = 4,161,149,723,945,558,605,824 - Step 5: Solve for x
x = 4,161,149,723,945,558,605,824/72,243,001,821.24 - Step 6: Final answer
x = 57,599,346,913.10
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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.