Finding the Fourth Proportional to 132,779,074.17, 183,235,122.27 and 77,774,930.67
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Solution
The fourth proportional to 132,779,074.17, 183,235,122.27 and 77,774,930.67 is: 107,329,404.28
Step by Step Solution
- Step 1: Write the proportion equation
132,779,074.17 : 183,235,122.27 = 77,774,930.67 : x - Step 2: Convert to fraction form
132,779,074.17/183,235,122.27 = 77,774,930.67/x - Step 3: Cross multiply
132,779,074.17x = 183,235,122.27 × 77,774,930.67 - Step 4: Simplify right side
132,779,074.17x = 14,251,098,930,858,224 - Step 5: Solve for x
x = 14,251,098,930,858,224/132,779,074.17 - Step 6: Final answer
x = 107,329,404.28
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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.