Finding the Fourth Proportional to 176,450,981.42, 243,501,008.49 and 97,064,334.06
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Solution
The fourth proportional to 176,450,981.42, 243,501,008.49 and 97,064,334.06 is: 133,948,040.65
Step by Step Solution
- Step 1: Write the proportion equation
176,450,981.42 : 243,501,008.49 = 97,064,334.06 : x - Step 2: Convert to fraction form
176,450,981.42/243,501,008.49 = 97,064,334.06/x - Step 3: Cross multiply
176,450,981.42x = 243,501,008.49 × 97,064,334.06 - Step 4: Simplify right side
176,450,981.42x = 23,635,263,231,534,936 - Step 5: Solve for x
x = 23,635,263,231,534,936/176,450,981.42 - Step 6: Final answer
x = 133,948,040.65
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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.