Finding the Fourth Proportional to 207,617,610.45, 286,377,301.38 and 133,160,235.21
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Solution
The fourth proportional to 207,617,610.45, 286,377,301.38 and 133,160,235.21 is: 183,674,538.63
Step by Step Solution
- Step 1: Write the proportion equation
207,617,610.45 : 286,377,301.38 = 133,160,235.21 : x - Step 2: Convert to fraction form
207,617,610.45/286,377,301.38 = 133,160,235.21/x - Step 3: Cross multiply
207,617,610.45x = 286,377,301.38 × 133,160,235.21 - Step 4: Simplify right side
207,617,610.45x = 38,134,068,810,565,856 - Step 5: Solve for x
x = 38,134,068,810,565,856/207,617,610.45 - Step 6: Final answer
x = 183,674,538.63
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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.