Finding the Fourth Proportional to 117,529,615.80, 176,294,423.70 and 40,827,151.80
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Solution
The fourth proportional to 117,529,615.80, 176,294,423.70 and 40,827,151.80 is: 61,240,727.70
Step by Step Solution
- Step 1: Write the proportion equation
117,529,615.80 : 176,294,423.70 = 40,827,151.80 : x - Step 2: Convert to fraction form
117,529,615.80/176,294,423.70 = 40,827,151.80/x - Step 3: Cross multiply
117,529,615.80x = 176,294,423.70 × 40,827,151.80 - Step 4: Simplify right side
117,529,615.80x = 7,197,599,197,893,417 - Step 5: Solve for x
x = 7,197,599,197,893,417/117,529,615.80 - Step 6: Final answer
x = 61,240,727.70
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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.