Finding the Fourth Proportional to 211,430,078.44, 317,132,373.06 and 125,713,959.64
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Solution
The fourth proportional to 211,430,078.44, 317,132,373.06 and 125,713,959.64 is: 188,563,361.66
Step by Step Solution
- Step 1: Write the proportion equation
211,430,078.44 : 317,132,373.06 = 125,713,959.64 : x - Step 2: Convert to fraction form
211,430,078.44/317,132,373.06 = 125,713,959.64/x - Step 3: Cross multiply
211,430,078.44x = 317,132,373.06 × 125,713,959.64 - Step 4: Simplify right side
211,430,078.44x = 39,867,966,347,402,264 - Step 5: Solve for x
x = 39,867,966,347,402,264/211,430,078.44 - Step 6: Final answer
x = 188,563,361.66
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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.