Finding the Fourth Proportional to 230,888,882.09, 318,658,356.86 and 141,565,025.14
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Solution
The fourth proportional to 230,888,882.09, 318,658,356.86 and 141,565,025.14 is: 195,379,170.66
Step by Step Solution
- Step 1: Write the proportion equation
230,888,882.09 : 318,658,356.86 = 141,565,025.14 : x - Step 2: Convert to fraction form
230,888,882.09/318,658,356.86 = 141,565,025.14/x - Step 3: Cross multiply
230,888,882.09x = 318,658,356.86 × 141,565,025.14 - Step 4: Simplify right side
230,888,882.09x = 45,110,878,298,452,520 - Step 5: Solve for x
x = 45,110,878,298,452,520/230,888,882.09 - Step 6: Final answer
x = 195,379,170.66
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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.