Finding the Fourth Proportional to 68,785,291.71, 94,887,523.24 and 40,888,159.07
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Solution
The fourth proportional to 68,785,291.71, 94,887,523.24 and 40,888,159.07 is: 56,404,153.37
Step by Step Solution
- Step 1: Write the proportion equation
68,785,291.71 : 94,887,523.24 = 40,888,159.07 : x - Step 2: Convert to fraction form
68,785,291.71/94,887,523.24 = 40,888,159.07/x - Step 3: Cross multiply
68,785,291.71x = 94,887,523.24 × 40,888,159.07 - Step 4: Simplify right side
68,785,291.71x = 3,879,776,143,418,783.50 - Step 5: Solve for x
x = 3,879,776,143,418,783.50/68,785,291.71 - Step 6: Final answer
x = 56,404,153.37
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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.