Finding the Fourth Proportional to 115,497,320.63, 159,386,301.70 and 63,285,235.28
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Solution
The fourth proportional to 115,497,320.63, 159,386,301.70 and 63,285,235.28 is: 87,333,624.27
Step by Step Solution
- Step 1: Write the proportion equation
115,497,320.63 : 159,386,301.70 = 63,285,235.28 : x - Step 2: Convert to fraction form
115,497,320.63/159,386,301.70 = 63,285,235.28/x - Step 3: Cross multiply
115,497,320.63x = 159,386,301.70 × 63,285,235.28 - Step 4: Simplify right side
115,497,320.63x = 10,086,799,603,491,780 - Step 5: Solve for x
x = 10,086,799,603,491,780/115,497,320.63 - Step 6: Final answer
x = 87,333,624.27
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.