Finding the Fourth Proportional to 236,426,408.10, 354,042,415.35 and 155,207,643.30
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Solution
The fourth proportional to 236,426,408.10, 354,042,415.35 and 155,207,643.30 is: 232,419,421.15
Step by Step Solution
- Step 1: Write the proportion equation
236,426,408.10 : 354,042,415.35 = 155,207,643.30 : x - Step 2: Convert to fraction form
236,426,408.10/354,042,415.35 = 155,207,643.30/x - Step 3: Cross multiply
236,426,408.10x = 354,042,415.35 × 155,207,643.30 - Step 4: Simplify right side
236,426,408.10x = 54,950,088,914,713,256 - Step 5: Solve for x
x = 54,950,088,914,713,256/236,426,408.10 - Step 6: Final answer
x = 232,419,421.15
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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.