Finding the Fourth Proportional to 153,281,867.24, 211,497,399.86 and 88,079,174.12
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Solution
The fourth proportional to 153,281,867.24, 211,497,399.86 and 88,079,174.12 is: 121,531,115.48
Step by Step Solution
- Step 1: Write the proportion equation
153,281,867.24 : 211,497,399.86 = 88,079,174.12 : x - Step 2: Convert to fraction form
153,281,867.24/211,497,399.86 = 88,079,174.12/x - Step 3: Cross multiply
153,281,867.24x = 211,497,399.86 × 88,079,174.12 - Step 4: Simplify right side
153,281,867.24x = 18,628,516,308,196,204 - Step 5: Solve for x
x = 18,628,516,308,196,204/153,281,867.24 - Step 6: Final answer
x = 121,531,115.48
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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.