Finding the Fourth Proportional to 313,950,047.25, 433,246,833.36 and 174,720,772.11
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Solution
The fourth proportional to 313,950,047.25, 433,246,833.36 and 174,720,772.11 is: 241,112,310.39
Step by Step Solution
- Step 1: Write the proportion equation
313,950,047.25 : 433,246,833.36 = 174,720,772.11 : x - Step 2: Convert to fraction form
313,950,047.25/433,246,833.36 = 174,720,772.11/x - Step 3: Cross multiply
313,950,047.25x = 433,246,833.36 × 174,720,772.11 - Step 4: Simplify right side
313,950,047.25x = 75,697,221,238,871,712 - Step 5: Solve for x
x = 75,697,221,238,871,712/313,950,047.25 - Step 6: Final answer
x = 241,112,310.39
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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.