Finding the Fourth Proportional to 123,649,765,892.99, 185,485,332,931.98 and 34,112,759,291.49
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Solution
The fourth proportional to 123,649,765,892.99, 185,485,332,931.98 and 34,112,759,291.49 is: 51,172,086,487.29
Step by Step Solution
- Step 1: Write the proportion equation
123,649,765,892.99 : 185,485,332,931.98 = 34,112,759,291.49 : x - Step 2: Convert to fraction form
123,649,765,892.99/185,485,332,931.98 = 34,112,759,291.49/x - Step 3: Cross multiply
123,649,765,892.99x = 185,485,332,931.98 × 34,112,759,291.49 - Step 4: Simplify right side
123,649,765,892.99x = 6,327,416,514,409,590,161,408 - Step 5: Solve for x
x = 6,327,416,514,409,590,161,408/123,649,765,892.99 - Step 6: Final answer
x = 51,172,086,487.29
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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.