Finding the Fourth Proportional to 190,610,278.38, 263,031,133.38 and 106,970,599.08
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Solution
The fourth proportional to 190,610,278.38, 263,031,133.38 and 106,970,599.08 is: 147,613,225.02
Step by Step Solution
- Step 1: Write the proportion equation
190,610,278.38 : 263,031,133.38 = 106,970,599.08 : x - Step 2: Convert to fraction form
190,610,278.38/263,031,133.38 = 106,970,599.08/x - Step 3: Cross multiply
190,610,278.38x = 263,031,133.38 × 106,970,599.08 - Step 4: Simplify right side
190,610,278.38x = 28,136,597,914,349,984 - Step 5: Solve for x
x = 28,136,597,914,349,984/190,610,278.38 - Step 6: Final answer
x = 147,613,225.02
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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.