Finding the Fourth Proportional to 124,401,524.24, 171,708,248.14 and 72,207,374.82
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Solution
The fourth proportional to 124,401,524.24, 171,708,248.14 and 72,207,374.82 is: 99,665,996.13
Step by Step Solution
- Step 1: Write the proportion equation
124,401,524.24 : 171,708,248.14 = 72,207,374.82 : x - Step 2: Convert to fraction form
124,401,524.24/171,708,248.14 = 72,207,374.82/x - Step 3: Cross multiply
124,401,524.24x = 171,708,248.14 × 72,207,374.82 - Step 4: Simplify right side
124,401,524.24x = 12,398,601,833,130,546 - Step 5: Solve for x
x = 12,398,601,833,130,546/124,401,524.24 - Step 6: Final answer
x = 99,665,996.13
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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.