Finding the Fourth Proportional to 114,742,470.70, 158,339,992.08 and 62,530,378.98
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Solution
The fourth proportional to 114,742,470.70, 158,339,992.08 and 62,530,378.98 is: 86,289,406.63
Step by Step Solution
- Step 1: Write the proportion equation
114,742,470.70 : 158,339,992.08 = 62,530,378.98 : x - Step 2: Convert to fraction form
114,742,470.70/158,339,992.08 = 62,530,378.98/x - Step 3: Cross multiply
114,742,470.70x = 158,339,992.08 × 62,530,378.98 - Step 4: Simplify right side
114,742,470.70x = 9,901,059,711,660,900 - Step 5: Solve for x
x = 9,901,059,711,660,900/114,742,470.70 - Step 6: Final answer
x = 86,289,406.63
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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.