Finding the Fourth Proportional to 124,565,577.59, 171,901,939.75 and 68,809,842.99
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Solution
The fourth proportional to 124,565,577.59, 171,901,939.75 and 68,809,842.99 is: 94,958,380.26
Step by Step Solution
- Step 1: Write the proportion equation
124,565,577.59 : 171,901,939.75 = 68,809,842.99 : x - Step 2: Convert to fraction form
124,565,577.59/171,901,939.75 = 68,809,842.99/x - Step 3: Cross multiply
124,565,577.59x = 171,901,939.75 × 68,809,842.99 - Step 4: Simplify right side
124,565,577.59x = 11,828,545,483,873,938 - Step 5: Solve for x
x = 11,828,545,483,873,938/124,565,577.59 - Step 6: Final answer
x = 94,958,380.26
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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.