Finding the Fourth Proportional to 64,035,044.78, 88,517,293.09 and 57,134,119.37
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Solution
The fourth proportional to 64,035,044.78, 88,517,293.09 and 57,134,119.37 is: 78,977,966.00
Step by Step Solution
- Step 1: Write the proportion equation
64,035,044.78 : 88,517,293.09 = 57,134,119.37 : x - Step 2: Convert to fraction form
64,035,044.78/88,517,293.09 = 57,134,119.37/x - Step 3: Cross multiply
64,035,044.78x = 88,517,293.09 × 57,134,119.37 - Step 4: Simplify right side
64,035,044.78x = 5,057,357,589,127,915 - Step 5: Solve for x
x = 5,057,357,589,127,915/64,035,044.78 - Step 6: Final answer
x = 78,977,966.00
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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.