Finding the Fourth Proportional to 171,698,371.42, 257,549,151.36 and 48,876,684.54
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Solution
The fourth proportional to 171,698,371.42, 257,549,151.36 and 48,876,684.54 is: 73,315,480.63
Step by Step Solution
- Step 1: Write the proportion equation
171,698,371.42 : 257,549,151.36 = 48,876,684.54 : x - Step 2: Convert to fraction form
171,698,371.42/257,549,151.36 = 48,876,684.54/x - Step 3: Cross multiply
171,698,371.42x = 257,549,151.36 × 48,876,684.54 - Step 4: Simplify right side
171,698,371.42x = 12,588,148,624,567,432 - Step 5: Solve for x
x = 12,588,148,624,567,432/171,698,371.42 - Step 6: Final answer
x = 73,315,480.63
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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.