Finding the Fourth Proportional to 315,184,794.99, 434,950,476.80 and 174,061,986.72
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Solution
The fourth proportional to 315,184,794.99, 434,950,476.80 and 174,061,986.72 is: 240,203,034.28
Step by Step Solution
- Step 1: Write the proportion equation
315,184,794.99 : 434,950,476.80 = 174,061,986.72 : x - Step 2: Convert to fraction form
315,184,794.99/434,950,476.80 = 174,061,986.72/x - Step 3: Cross multiply
315,184,794.99x = 434,950,476.80 × 174,061,986.72 - Step 4: Simplify right side
315,184,794.99x = 75,708,344,115,748,960 - Step 5: Solve for x
x = 75,708,344,115,748,960/315,184,794.99 - Step 6: Final answer
x = 240,203,034.28
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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.